Bear Creek Arsenal Gun Parts
(208 deals total)

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1 day ago
The Bear Creek Arsenal Complete M16 Bolt Carrier Group is a quality part for your next build. The full mass M16 pattern 8620 steel bolt carrier has been treated with a super slick salt bath nitride finish for easy cleaning, reduced friction, and a reduced need for lubrication. The 9310 steel 5.56 NATO pattern bolt assembly has a durable manganese phosphate finish. A properly staked gas key and forward assist serrations round out the great features.
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2 days ago
This BCA AR-15 complete 300 Blackout pistol length upper has a 10.5" heavy barrel with a parkerized finish, and features a 1:8 twist rate, with a pistol length gas system. It includes a 9.5" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 300 Blackout upper is compatible with any mil-spec AR-15 lower. More Information SKU 528N-UASCH300PHB10.518P-10M3 Weight (lbs) 4.000000 Magazine Capacity N/A Length 10.5 Profile Heavy Barrel Twist 1:8 Finish Parkerized
0
2 days ago
This BCA AR-15 complete .223 Wylde rifle length upper has a 16" M4 contour barrel with a parkerized finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15 1/4" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower. This has the new handguard. More Information SKU 613N-UA223WCM41618P-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:8 Finish Parkerized Material 4150 Chrome Moly Vanadium
0
2 days ago
This BCA AR-15 complete 300 Blackout rifle length upper has a 16" heavy barrel with a 416R stainless steel finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear handle. This 300 Blackout upper is compatible with any mil-spec AR-15 lower. More Information SKU 9119N-UA300CHB1618SS-15M3 Weight (lbs) 6.250000 Magazine Capacity N/A Barrel Length 16 Profile Heavy Barrel Twist 1:8 Barrel Finish Stainless Steel Material 416R Stainless Steel
0
1 week ago
This Bear Creek Arsenal AR-15 16" light-weight contour, parkerized 5.56 barrel has a carbine length gas system  with a 1:7 twist. Our 5.56 parkerized rifle barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. Use a Bear Creek Arsenal ar barrel in your next AR15 build and experience superior performance backed by a lifetime warranty! More Information SKU 1517-B556CLW1617P Weight (lbs) 1.500000 Magazine Capacity N/A Barrel Length 16 Profile Lightweight Twist 1:7 Barrel Finish Parkerized Material 4150 Chrome Moly Vanadium
0
1 week ago
This BCA AR-15 complete 7.62x39 rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information SKU 686N-UA762CHB16110P-15M3 Weight (lbs) 5.800000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:10 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24
0
1 week ago
This BCA AR-15 complete 300 Blackout pistol length upper has a 7.5" heavy barrel with a parkerized finish, and features a 1:8 twist rate, with a pistol length gas system. It includes the new 6.5" MLOK rail, an M4 flat-top 7075 billet aluminum upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 300 Blackout upper is compatible with any mil-spec AR-15 lower. More Information SKU 935N-UA300PHB7.518PBUR-7M3 Weight (lbs) 3.500000 Magazine Capacity N/A Length 7.5 Profile Heavy Barrel Twist 1:8 Finish Parkerized Material 4150 Chrome Moly Vanadium
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1 week ago
Side Charging Complete 16" Uppers from $199.99
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2 weeks ago
This BCA AR-15 Complete 350 Legend rifle length upper has a 16" m4 contour barrel with a 416R stainless finish, and features a 1:16 Twist Rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA Bolt Carrier Group, a Flash Hider, and a rear Charging Handle. This 350 Legend upper is compatible with any mil-spec AR-15 lower. This has the new handguard. SKU 495N-UA350LCM416116SSBUR-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:16 Finish Stainless Material 416R Stainless Steel
0
2 weeks ago
This BCA AR-15 complete 7.62x39 rifle length upper has a 16" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information Color White SKU 9453N-UA762CHB16110PEMW-15M3 Weight (lbs) 6.250000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:10 Finish Parkerized Material 4150 Chrome Moly Vanadium
0
2 weeks ago
This BCA AR-10 complete .308 rifle length upper has a 20" black nitride cold hammer forged SOCOM barrel, and features a 1:10 twist rate, with a rifle length gas system. It includes the new 15" MLOK split rail, an M4 flat-top forged upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a rear charging handle. This .308 upper is compatible with 1st gen DPMS low profile lowers. More Information SKU 9083N-UA308RMW20110MHFFUR-15MSR Weight (lbs) 8.250000 Magazine Capacity N/A Length 20 Profile SOCOM Twist 1:10 Finish Black Nitride Material 4150 Chrome Moly Vanadium
0
2 weeks ago
This BCA AR-15 complete 7.62x39 rifle length upper has a 16" 416R Stainless bear claw fluted heavy barrel with a black nitride finish, and features a 1:10 twist rate, with a carbine length gas system. It includes a 11.5" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information SKU 9735NUASCH762CHB16110SSBCF12M3 Weight (lbs) 6.250000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:10 Finish Stainless
0
2 weeks ago
This BCA AR-15 complete 7.62x39 carbine length upper has a 18" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a mid length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information SKU 9191N-UA762MHB18110P-15M3 Weight (lbs) 5.850000 Magazine Capacity N/A Length 18 Profile Heavy Barrel Twist 1:10 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24 Caliber 7.62x39
0
2 weeks ago
This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour hammer forged barrel with a black nitride finish, and features a 1:7 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected), and fits on any mil-spec AR-15 lower.  More Information SKU 9790N-UASCH556CM41617MHF-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:7 Finish Black Nitride Material 4150 Chrome Moly Vanadium
0
2 weeks ago
This BCA AR-10 complete 6.5 Creedmoor rifle length upper has a 20" 416R stainless straight fluted heavy barrel, and features a 1:8 twist rate, with a rifle length gas system. It includes a 15" MLOK Split Rail, an M4 flat-top forged upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a rear charging handle. This 6.5 Creedmoor is compatible with 1st gen DPMS low profile lowers.  More Information SKU 9166N-UA65CRHB2018SSFFUR-15MSR Weight (lbs) 7.250000 Magazine Capacity N/A Length 20 Profile Heavy Barrel Twist 1:8 Finish Stainless Material 416R Stainless Steel
0
2 weeks ago
Description This Bear Creek Arsenal BCG features a full mass M16 profile bolt carrier machined from 8620 steel and finished with Salt Bath Nitriding. The gas key is properly staked and the carrier does have forward assist serrations. The 5.56 NATO bolt assembly is made of 9310 steel and features a manganese phosphate finish. Every BCG goes through magnetic particle inspection (MPI). Bolt Finish – Manganese Phosphate Bolt Material – 9310 Steel Caliber – 5.56 NATO (will also work with .223 and 300 BLK) Carrier Finish – Salt Bath Nitride Carrier Material – 9310 Steel Carrier
7
2 weeks ago
This BCA AR-10 Complete Upper has a 22" Parkerized Heavy barrel, and features a 1:8 Twist Rate, a Rifle length gas system. It includes the new 15" MLOK Split Rail, an M4 flat-top billet upper receiver, a BCA Bolt Carrier Group, a Flash Hider, and a gen 2 right Charging Handle. It is chambered in 6.5 Creedmoor. More Information SKU 9806N-UASCH65CRHB2218P-15MSR Weight (lbs) 7.750000 Magazine Capacity N/A Length 22 Profile Heavy Barrel Twist 1:8 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24 Caliber 6.5 Creedmoor Feed Ramp AR-10 Feedramp
0
2 weeks ago
This BCA AR-10 Complete Upper has a 20" heavy barrel with a black nitride finish, and features a 1:8 Twist Rate, a Rifle length gas system. It includes the new 15" MLOK Split Rail, an M4 flat-top forged upper receiver, a BCA Bolt Carrier Group, a Flash Hider, and a rear charging handle. It is chambered in 6.5 Creedmoor. SKU 9121N-UA65CRHB2018MFUR-15MSR Weight (lbs) 7.250000 Magazine Capacity N/A Length 20 Profile Heavy Barrel Twist 1:8 Finish Black Nitride Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24 Caliber 6.5 Creedmoor Feed Ramp AR-10 Feedramp Flutes Non-fluted
0
2 weeks ago
This BCA AR-15 complete 5.56 Nato pistol length upper has a 14.5" M4 contour barrel with a parkerized finish, and features a 1:7 twist rate, with a mid-length gas system. It includes a 11.5" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 8969N-UASCH556CM414.517P-12M3 Weight (lbs) 4.750000 Magazine Capacity N/A Barrel Length 14.5 Profile M4 Contour Twist 1:7 Barrel Finish Parkerized
0
2 weeks ago
This BCA AR-15 complete .17 hmr rifle length upper has a 10.5" heavy barrel with a parkerized finish, and features a 1:9 twist rate. It includes a 9.5" MLOK rail, a M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This upper is compatible with any mil-spec AR-15 lower with an unnotched hammer (rounded) and this upper includes the buffer spring and buffer. (Our included buffer and spring are for a carbine style, adjustable stock) More Information SKU 9347NB-UASCH17HHB10.519P-10M3 Weight (lbs) 5.500000
0
2 weeks ago
This BCA AR-15 complete 5.56 NATO rifle length upper has a 24" heavy barrel with a 416R Stainless Steel finish with straight flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes the new 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 5.56 NATO upper is compatible with any mil-spec AR-15 lower.  More Information SKU 8983N-UA556RHB2418SSF-15M3 Weight (lbs) 6.100000 Magazine Capacity N/A Barrel Length 24 Profile Heavy Barrel Twist 1:8 Barrel Finish Stainless Steel
0
2 weeks ago
This BCA AR-10 complete .308 rifle length upper has a 20" 416R stainless Heavy barrel, and features a 1:10 twist rate, with a rifle length gas system. It includes a 15" MLOK split rail, an M4 flat-top billet upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a rear charging handle and features the new handguard. This .308 upper is compatible with 1st gen DPMS low profile lowers. More Information SKU 592N-UA308RMW20110SS-15MSR Weight (lbs) 8.250000 Magazine Capacity N/A Barrel Length 20 Profile Heavy Barrel Twist 1:10 Barrel Finish Stainless Steel
0
2 weeks ago
This BCA AR-15 complete .223 Wylde rifle length upper has an 18" heavy barrel with a 416R stainless finish, and features a 1:8 twist rate, with a mid-length gas system. It includes a 15 1/4" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen 2) handle (patent pending). This .223 Wylde upper is compatible with any mil-spec AR-15 lower. This has the new handguard. More Information SKU 100N-UASCH223WMHB1818SS-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 18 Profile Heavy Barrel Twist 1:8 Finish Stainless
0
2 weeks ago
This Bear Creek Arsenal AR-15 Complete 5.56 rifle length upper has a 16" M4 with a black nitride finish, and features a 1:7 twist, with a mid-length gas system. It includes a 15" MLOK rail, a M4 flat-top forged upper receiver, a BCA bolt carrier group, flash hider, and a rear charging handle. This 5.56 upper is compatible with any mil-spec AR-15 lower. More Information SKU 608N-UA556MM41617M-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:7 Finish Black Nitride Material 4150 Chrome Moly Vanadium Thread Pitch 1/2 x 28 Caliber 5.56 NATO
0
2 weeks ago
This BCA AR-15 complete 5.56 NATO pistol length upper has a 10.5" M4 contour barrel with a 416R Stainless Steel finish, and features a 1:8 twist rate, with a pistol length gas system. It includes a 9.5" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 9466N-UA556PM410.518SS-10M3 Weight (lbs) 3.500000 Magazine Capacity N/A Length 10.5 Profile M4 Contour Twist 1:8 Finish Stainless Material 416R Stainless Steel
0
2 weeks ago
This Bear Creek Arsenal BCG features a full mass M16 profile bolt carrier machined from 8620 steel and finished with Salt Bath Nitriding. The gas key is properly staked and the carrier does have forward assist serrations. The 5.56 NATO bolt assembly is made of 9310 steel and features a manganese phosphate finish. Every BCG goes through magnetic particle inspection (MPI). Bolt Finish – Manganese Phosphate Bolt Material – 9310 Steel Caliber – 5.56 NATO (will also work with .223 and 300 BLK) Carrier Finish – Salt Bath Nitride Carrier Material – 9310 Steel Carrier
0
2 weeks ago
This BCA AR-10 complete upper 22-250 has a 20" Parkerized heavy barrel, and features a 1:14 twist rate, with a rifle length gas system. It includes a 15" MLOK Rail, an M4 flat-top billet upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a rear charging handle. This upper has no forward assist or dust cover. This upper is compatible with a 1st gen DPMS low profile AR10 lower assembly.  SKU 9777N-UASP22-250RMW20114P-15MSR Weight (lbs) 8.250000 Magazine Capacity N/A Length 20 Profile Heavy Barrel Twist 1:14 Finish Parkerized Material 4150 Chrome Moly Vanadium
0
3 weeks ago
This BCA AR-15 complete 5.56 Nato pistol length upper has a 12.5" SOCOM contour barrel with a parkerized finish, and features a 1:7 twist rate, with a mid-length gas system. It includes a 11.5" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 8967N-UA556MSC12.517P-12M3 Weight (lbs) 4.250000 Magazine Capacity N/A Barrel Length 12.5 Profile SOCOM Twist 1:7 Barrel Finish Parkerized Material 4150 Chrome Moly Vanadium
0
3 weeks ago
This BCA AR-15 complete 5.56 Nato pistol length upper has a 12.5" SOCOM contour barrel with a parkerized finish, and features a 1:7 twist rate, with a mid-length gas system. It includes a 11.5" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 8966N-UASCH556MSC12.517P-12M3 Weight (lbs) 4.250000 Magazine Capacity N/A Barrel Length 12.5 Profile SOCOM Twist 1:7 Barrel Finish Parkerized
0
3 weeks ago
This BCA AR-15 complete 5.56 Nato rifle length upper has a 24" heavy contour barrel with a 416R stainless steel finish with straight flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes the new 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 8979N-UASCH556RHB2418SSF-15M3 Weight (lbs) 8.000000 Magazine Capacity N/A Barrel Length 24 Profile Heavy Barrel Twist 1:8
0
3 weeks ago
This Bear Creek Arsenal AR-15 Complete 5.56 Side Charging pistol upper has a 7.5" M4 barrel with a 416R stainless steel finish, and features a 1:7 twist, with a pistol length gas system. It includes the new 6.5" MLOK rail, a M4 flat-top 7075 billet aluminum upper receiver, a BCA Bolt Carrier Group, Flash Hider, and a right-side charging (Gen2) handle (patent protected). This 5.56 upper is compatible with any mil-spec AR-15 lower. More Information SKU 266N-UASCH556PM47.517SS-7M3 Weight (lbs) 3.250000 Magazine Capacity N/A Length 7.5 Profile M4 Contour Twist 1:7 Finish Stainless
0
3 weeks ago
This BCA AR-15 complete 5.56 Nato pistol length upper has a 7.5" M4 contour barrel with a parkerized finish, and features a 1:7 twist rate, with a pistol length gas system. It includes a 6.5" MLOK rail, an M4 flat-top upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 621N-UA556PM47.517P-7M3 Weight (lbs) 3.250000 Magazine Capacity N/A Length 7.5 Profile M4 Contour Twist 1:7 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 1/2 x 28
0
3 weeks ago
This Bear Creek Arsenal AR-15 Complete 5.56 Side Charging pistol upper has a 7.5" M4 barrel with a parkerized finish, and features a 1:7 twist, with a pistol length gas system. It includes a 6.5" MLOK rail, a M4 flat-top 7075 billet aluminum upper receiver, a BCA Bolt Carrier Group, Flash Hider, and a right-side charging (Gen 2) handle (patent pending). This 5.56 upper is compatible with any mil-spec AR-15 lower. More Information SKU 913N-UASCH556PM47.517P-7M3 Weight (lbs) 3.250000 Magazine Capacity N/A Length 7.5 Profile M4 Contour Twist 1:7 Finish Parkerized
0
3 weeks ago
This BCA AR-15 complete 7.62x39 pistol length upper has a 7.5" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a pistol length gas system. It includes a 6.5" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information SKU 547N-UASCH762PHB7.5110P-7M3 Weight (lbs) 4.100000 Magazine Capacity N/A Length 7.5 Profile Heavy Barrel Twist 1:10 Finish Parkerized Material 4150 Chrome Moly Vanadium
0
3 weeks ago
This BCA AR-15 complete 5.56 NATO rifle length upper has a 22" heavy barrel with a 416R Stainless Steel finish with spiral flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes the new 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 5.56 NATO upper is compatible with any mil-spec AR-15 lower.  SKU 8982N-UA556RHB2218SSSF-15M3 Weight (lbs) 6.100000 Magazine Capacity N/A Barrel Length 22 Profile Heavy Barrel Twist 1:8 Barrel Finish Stainless Steel Material 416R Stainless Steel
0
3 weeks ago
This BCA AR-15 complete 7.62x39 rifle length upper has a 18" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a mid-length gas system. It includes the new 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a side charging handle (Gen 2, patent pending) and rear charge handle. This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information SKU 9688N-UADCH762MHB18110P-15M3 Weight (lbs) 6.500000 Magazine Capacity N/A Barrel Length 18 Profile Heavy Barrel Twist 1:10 Barrel Finish Parkerized
0
3 weeks ago
This BCA AR-10 complete .308 rifle length upper has a 18" parkerized Heavy barrel, and features a 1:10 twist rate, with a mid-length gas system. It includes a 15" MLOK Split Rail, an M4 flat-top billet upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This .308 upper is compatible with 1st gen DPMS low profile lowers. This has the new handguard. More Information SKU 587N-UASCH308MSC18110P-15MSR Weight (lbs) 8.000000 Magazine Capacity N/A Length 18 Profile Heavy Barrel Twist 1:10 Finish Parkerized
0
3 weeks ago
This BCA AR-10 complete .308 rifle length upper has a 20" parkerized Heavy barrel, and features a 1:10 twist rate, with a rifle length gas system. It includes a 15" MLOK Split Rail, an M4 flat-top billet upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This .308 upper is compatible with 1st gen DPMS low profile lowers. More Information SKU 112N-UASCH308RMW20110P-15MSR Weight (lbs) 8.250000 Magazine Capacity N/A Length 20 Profile Heavy Barrel Twist 1:10 Finish Parkerized Material 4150 Chrome Moly Vanadium
0
3 weeks ago
This BCA AR-10 complete .308 rifle length upper has a 16" parkerized Heavy barrel, and features a 1:10 twist rate, with a mid-length gas system. It includes a 15" MLOK split rail, an M4 flat-top billet upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 308 upper is compatible with 1st gen DPMS low profile lowers. This has the new handguard. More Information SKU 114N-UASCH308MHB16110P-15MSR Weight (lbs) 6.250000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:10 Finish Parkerized
0
4 weeks ago
This BCA AR-10 complete .308 Slick Side rifle length upper has a 16" parkerized Heavy barrel, and features a 1:10 twist rate, with a mid length gas system. It includes the new 15" MLOK Split Rail, an M4 flat-top billet upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a rear charging handle. This 308 upper is compatible with 1st gen DPMS low profile lowers. More Information SKU 293N-UASP308MHB16110P-15MSR Weight (lbs) 6.250000 Magazine Capacity N/A Barrel Length 16 Profile Heavy Barrel Twist 1:10 Barrel Finish Parkerized Material 4150 Chrome Moly Vanadium
0
4 weeks ago
This BCA AR-15 complete 22 long rifle upper has a 10.5" heavy barrel with a 416R Stainless Steel finish and features a 1:16 twist rate. It includes a 9.5" MLOK rail, and a side charging (Gen 2) handle (patent protected). This 22 long rifle fits on a mil-spec AR-15 lower. More Information SKU 9011N-UASCH22LHB10.5116SS-10M3 Weight (lbs) 5.800000 Magazine Capacity N/A Length 10.5 Profile Heavy Barrel Twist 1:16 Finish Stainless Material 4150 Chrome Moly Vanadium Thread Pitch 1/2 x 28 Caliber .22 Long Rifle Flutes Non-fluted Gas System Blow-Back Charging Style Right Side Charging
0
1 month ago
The Bear Creek Arsenal 16" .300 Blackout Pistol Length Barrel with Heavy Profile is a high-quality barrel that is perfect for building a versatile and accurate AR-15 rifle. It features a 16" heavy profile barrel with a 1:8 twist rate, which is ideal for shooting a variety of .300 Blackout ammunition. The barrel is also parkerized for durability and corrosion resistance. Features: - 16” barrel chambered in .300 Blackout, Parkerized - Heavy profile, 1:8 twist, 5/8x24 threads - Pistol length gas system - Precision machined from 4150 Chrome Moly Vanadium - M4 feedramp
0
1 month ago
This BCA AR-15 complete 300 Blackout pistol length upper has a 8.5" heavy contour barrel with a parkerized finish, and features a 1:8 twist rate, with a pistol length gas system. It includes the new 6.5" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 300 Blackout upper is compatible with any mil-spec AR-15 lower. SKU 271N-UASCH300PHB8.518P-7M3 Weight (lbs) 3.800000 Magazine Capacity N/A Length 8.5 Profile Heavy Barrel Twist 1:8 Finish Parkerized
0
1 month ago
This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour barrel with a parkerized finish, and features a 1:7 twist rate, with a carbine length gas system. It includes the new 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 566N-UASCH556CM41617P-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:7 Finish Parkerized
0
1 month ago
This BCA AR-15 complete .223 Wylde rifle length upper has a 18" straight fluted heavy barrel with a 416R stainless finish, and features a 1:8 twist rate, with a mid-length gas system. It includes the new 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower. More Information SKU 8990N-UA223WMHB1818SSF-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 18 Profile Heavy Barrel Twist 1:8 Finish Stainless Material 416R Stainless Steel
1
1 month ago
This BCA AR-15 complete 7.62x39 upper has an 18" heavy barrel with a parkerized finish, and features a 1:10 twist rate, with a mid-length gas system. It includes a new style 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a side charging (Gen 2) handle (patent pending). This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information SKU 690N-UASCH762MHB18110P-15M3 Weight (lbs) 5.850000 Magazine Capacity N/A Length 18 Profile Heavy Barrel Twist 1:10 Finish Parkerized Material 4150 Chrome Moly Vanadium
0
1 month ago
This BCA AR-15 Complete Upper has a 20" barrel with a Heavy Weight profile, made of 416R Steel with a Stainless Steel finish, and features a 1:7 Twist Rate, a Rifle length gas system. The Upper includes the new 15" MLOK Rail, an M4 flat-top forged upper receiver with forwarding assist, a BCA Bolt Carrier Group, a Flash Hider, and a right-side charging (Gen2) handle (patent protected). It is chambered in .224 Valkyrie and machined with M4 feed ramps in the barrel extension. More Information SKU 9151N-UASCH224VRHB2017SS-15M3 Weight (lbs) 6.300000 Magazine Capacity N/A Length 20
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1 month ago
This BCA AR-15 complete 12.7x42 rifle length upper has a 16" parkerized Heavy barrel, and features a 1:20 twist rate, with a carbine length gas system. It includes a 15 1/4" MLOK Rail, an M4 flat-top billet upper receiver, a BCA AR15 bolt carrier group, and a right-side charging (Gen2) handle (patent protected). This 12.7x42 is compatible with any mil-spec AR-15 lower. This has the new handguard. More Information SKU 541N-UASCH127CHB16120P936-15M3 Weight (lbs) 5.400000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:20 Finish Parkerized
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1 month ago
This BCA AR-10 complete .308 rifle length upper has a 16" parkerized Heavy barrel, and features a 1:10 twist rate, with a mid-length gas system. It includes the new 15" MLOK Split Rail, an M4 flat-top forged upper receiver, a BCA AR10 bolt carrier group, a flash hider, and a rear charging handle. This .308 upper is compatible with 1st gen DPMS low profile lowers. More Information SKU 9263N-UA308MHB16110PFUR-15MSR Weight (lbs) 6.250000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:10 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24
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1 month ago
This BCA AR-15 complete 12.7x42 rifle length upper has a 16" parkerized heavy barrel, and features a 1:20 twist rate, with a carbine length gas system. It includes the new 15" MLOK handguard, an M4 flat-top forged upper receiver, a BCA AR15 bolt carrier group, and a rear charging handle. This 12.7x42 is compatible with any mil-spec AR-15 lower. More Information SKU 645N-UA127CHB16120P936-15M3 Weight (lbs) 5.400000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:20 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 49/64 x 20 Caliber 12.7 x 42
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1 month ago
This BCA AR-15 complete 5.56 Nato pistol length upper has a 10.5" M4 contour barrel with a parkerized finish, and features a 1:7 twist rate, with a carbine length gas system. It includes a standard handguard, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 275-UA556CM410.517P-SHGGB Weight (lbs) 3.000000 Magazine Capacity N/A Length 10.5 Profile M4 Contour Twist 1:7 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 1/2 x 28
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1 month ago
This Bear Creek Arsenal AR-15 Complete 5.56 pistol length upper has a 11.5" M4 with a parkerized finish, and features a 1:7 twist, with a carbine length gas system. It has a 9.5" MLOK rail, a M4 flat-top forged upper receiver, a BCA bolt carrier group, flash hider, and a rear charging handle. This 5.56 upper is compatible with any mil-spec AR-15 lower. More Information SKU 878N-UA556CM411.517P-10M3 Weight (lbs) 3.600000 Magazine Capacity N/A Length 11.5 Profile M4 Contour Twist 1:7 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 1/2 x 28 Caliber 5.56 NATO
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1 month ago
This BCA AR-15 complete .223 Wylde carbine length upper has a 16" M4 Barrel with a parkerized finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This .223 Wylde upper is compatible with any mil-spec AR-15 lower. More Information SKU 9715N-UADCH223WCM41618P-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:8 Finish Parkerized Material 4150 Chrome Moly Vanadium
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1 month ago
This BCA AR-15 complete 6mm Arc upper has a 20" heavy contour barrel with a 416R stainless finish with straight flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes a 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This 6mm Arc upper is compatible with any mil-spec AR-15 lower. SKU 9002N-UA6MMARHB2018SSF-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 20 Profile Heavy Barrel Twist 1:8 Finish Stainless Material 416R Stainless Steel Thread Pitch 5/8 x 24
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1 month ago
This BCA AR-15 complete 6mm Arc upper has a 20" heavy contour barrel with a 416R stainless finish with straight flutes, and features a 1:8 twist rate, with a rifle length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging handle (Gen 2) (patent protected). This 6mm Arc upper is compatible with any mil-spec AR-15 lower. SKU 8998N-UASCH6MMARHB2018SSF-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 20 Profile Heavy Barrel Twist 1:8 Finish Stainless Material 416R Stainless Steel
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1 month ago
This BCA AR-15 complete .223 Wylde rifle length upper has a 20" government barrel and a black nitride finish, and features a 1:8 twist rate, with a rifle length gas system. It includes the new 15" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower. More Information SKU 9310N-UA223WRGVNT2018M-15M3 Weight (lbs) 6.300000 Magazine Capacity N/A Length 20 Profile Government Twist 1:8 Finish Black Nitride Material 4150 Chrome Moly Vanadium
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1 month ago
This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour barrel with a stainless steel finish, and features a 1:8 twist rate, with a carbine length gas system. It includes a 15" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a side charging (Gen 2) handle (patent pending). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. This has the new handguard. More Information SKU 498N-UASCH556CM41618SS-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:8 Finish Stainless
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1 month ago
This Bear Creek Arsenal AR-15 Complete 7.62x39 rifle length upper has a 16" Cold Hammer Forged heavy barrel with a black nitride finish, and features a 1:10 twist rate, with a Carbine length gas system. It includes a Standard Handguard, Front Sight and Carry Handle, a M4 flat-top forged upper receiver, a BCA Bolt Carrier Group, Flash Hider, and a rear charging handle. This 7.62x39 upper is compatible with any mil-spec AR-15 lower. More Information SKU 9148-UA762CHB16110MHF-SHGFSCH Weight (lbs) 4.500000 Magazine Capacity N/A Length 16 Profile Heavy Barrel Twist 1:10
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1 month ago
This BCA AR-15 complete 5.56 Nato pistol length upper has a 10.5" M4 contour barrel with a 416R Stainless Steel finish, and features a 1:7 twist rate, with a carbine length gas system. It includes the new 10" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 508N-UASCH556CM410.517SS-10M3 Weight (lbs) 3.500000 Magazine Capacity N/A Length 10.5 Profile M4 Contour Twist 1:7 Finish Stainless
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1 month ago
This BCA AR-15 complete .223 Wylde rifle length upper has an 18" heavy barrel with a 416R stainless finish, and features a 1:8 twist rate, with a mid-length gas system. It includes a 15 1/4" MLOK rail, an M4 flat-top forged upper receiver, a BCA bolt carrier group, a flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower. This has the new handguard. Shop more .223 Wylde Uppers! Magazine not included. Check out Magazines here! See All Ammunition Recommendations Here.
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