Uppers Gun Parts

(3,470 deals total)

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

This Aero Precision M4E1-T Complete Upper includes the ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

This Complete 8.3 inch upper receiver comes with a 10" free float tube handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel Specifications Caliber 9mm Length 8.3" Material 4150 Chrome Moly Vanadium Profile Straight Finish QPQ Corrosion Resistant Gas System Length Blowback Dimpled? No Twist Rate 1:10 Muzzle Thread 1/2x36 Weight 13.8oz Bolt Carrier Group:

This Complete 7.5 inch M-LOK upper receiver comes with a 7 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel Specifications Caliber 5.56 Length 7.5 Material 4150 Chrome Moly Vanadium Profile Medium Finish QPQ Corrosion Resistant Gas System Length Pistol Gas Block Journal .750" Dimpled? No Twist Rate 1:7 Muzzle Thread 1/2x28 TPI Weight 16.8oz

Item #: Start your Ar-15 build with a quality assembled upper receiver. Properly built and ready to go on your rifle. Features: 16″ 4150 CMV 223 Wylde barrel (shoots 556/223) 7075-t6 Aluminum forged milspec receiver, anodized black Carbine Gas, .750 steel gas block, a2 flash hider, 1/2-28 threads Dust cover, forward assist 12″ MLOK lightweight free float handguard ASSEMBLED, TEST-FIRED, AND QC’D IN-HOUSE

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

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

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

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

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.

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 forged 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 636N-UA300PHB10.518P-10M3 Weight (lbs) 4.000000 Magazine Capacity N/A Length 10.5 Profile Heavy Barrel Twist 1:8 Finish Parkerized Material 4150 Chrome Moly Vanadium Thread Pitch 5/8 x 24

Bully Arms BA-15 Skeletonized Upper Receiver (Black Anodized) The Bully Arms BA-15 Upper Receiver is here to make a wave in the industry. Machined from 7075-T6 aircraft aluminum here in the USA. With our sights set on delivering Lightweight, Sleek parts without sacrificing strength or quality. Features: Black - Type III hard anodized finish Machined from high grade 7075 Billet Aluminum. AR15 Universal Upper Receiver. M4 Feedramp Sleek Shell Deflector Compatible with Mil-Spec parts Bully Arms 100% Product Guarantee. SKU: BA-15-UR-BLK UPC: 860006522212

8.3" 9mm Upper Receiver - Black | FLASH CAN | 9" Tube Handguard | Without Bolt Carrier Group and Charging Handle This barreled 8.3 inch upper receiver comes with a 9" free float tube handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel Specifications Caliber 9mm Length 8.3" Material 4150 Chrome Moly Vanadium Profile Straight Finish QPQ Corrosion Resistant Gas System Length Blowback Dimpled?

Building a 9mm AR 15 is a fun, rewarding experience that gives you a versatile weapon for everything from home defense to weekend plinking. If you're starting a build, shopping for AR15 Upper Receivers is one of the first steps. To make it easier, you can't go wrong with the Stern Defense AR 15 6-inch Assembled Upper Receiver w/ 8-inch MLOK Rail. Since it's fully assembled, it comes with everything you need to put the weapon together without hassle, including the dust cover, forward assist, handguard, and a Glock-cut bolt.

Factory New - comes with a 16" lightweight barrel with M-LOK rails. This AR57 AR57 Upper Receiver Assembly converts any AR-15 lower to a rifle capable of shooting 5.7x28 ammunition. The unique upper design of these AR15 Upper Receivers loads from the top and ejects downward through the AR-15 mag well. The new generation upper has a stronger, lighter, and more streamlined rail; finished with a beautiful ultra-smooth melonite black coating. Convert your AR-15 type rifle to shoot the same 5.7x28 ammo as the legendary FN P-90 PDW!

The Radical Firearms 8.5 inch Upper Receiver is a flat top, law-enforcement grade, drop in receiver, ready to be mounted to any Mil-Spec AR-15 lower receiver! This fully mil-spec compliant receiver provides a high-quality upper for any level budget or shooter. Comes complete and assembled with Upper Receiver, Forward Assist, Ejection Port Door, Barrel Nut. 8.5 inch HBAR Profile Barrel and A2 Flash Hider. Bolt Carrier Group and Charging Handle are additional. 8.5 inch HBAR Melonite Barrel. 4150 V Chrome Moly. 1 in 7 inch twist rate. 300 AAC BLACKOUT Chamber. 5/8x24 Thread Pitch. HPT/MPI.

Builder's Grade 16" 9mm Upper Receiver | A2 | 12" M-LOK Handguard | Pistol Caliber | Black | Without Bolt Carrier Group and Charging Handle This Barreled 16 inch M-LOK upper receiver comes with a 12 inch free-float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 M4 barrel.

The DDM4V7 Upper Receiver Group by Daniel Defense is constructed around a 16-inch, cold hammer forged barrel and comes equipped with the extra features and quality expected from Daniel Defense products. The interior of the barrel is chrome lined for a superior service life, and is topped with a Daniel Defense improved flash suppressor to greatly mitigate visible muzzle flash. The gas system is composed of a mid-length, direct impingement system with a pinned low profile gas block CNC machined from 4140 hardened steel.

Want to see ALL of our Gun.Deals Exclusive Prices? CLICK HERE TO CHECK OUT ALL THESE DEALS The Matador Arms Montgo-9 Complete 9mm Upper fits most AR-15/AR-9 Lowers. This upper features a 5.5-inch barrel crafted from 4140 steel with a black nitride finish. The billet aluminum upper receiver is hardcoat anodized to maximize its strength and durability.

AR15 CUSTOM UPPER 16" 556 PENCIL BFI QUADRAIL Specifications & Features: • Barrel: Bushmaster 5.56NATO 16" M4 pencil barrel with A2 Flash hider. • Chamber: 5.56NATO • Twist Rate: 1:8" • Gas System: Carbine-Length Direct Impingement with Flat Top Gas Block and Bayonet Lug • Handguard: Carbine Length Aluminum Quad Rail • Muzzle Device: A2 Flash Hider • Overall Length: 23.5" BOLT CARRIER GROUP OR CHARGING HANDLE IS NOT INCLUDED This item cannot be shipped to California, Connecticut, Maryland, New Jersey, New York, or Washington D.C.

Builder's Grade Complete 9" .22LR LUpper Receiver | A2 | 7" M-LOK | With Bolt Carrier Group and Charging Handle This Complete 9 inch M-LOK upper receiver comes with a 7 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and the bolt is made of all stainless steel construction and we use an anti-jamb dedicated 22 charging handle. Barrel Specifications Caliber 22LR Length 9" Material 4150 Chrome Moly Vanadium Profile Medium Taper Finish SBN Dimpled?

AR-9 9MM 4.5" UNASSEMBLED COMPLETE PISTOL UPPER KIT / MLOKAR-9 9MM 4.5" UNASSEMBLED PISTOL UPPER / BCG AND CHARGING HANDLE / MLOK Barrel Length: 4.5" Barrel Profile: Straight Barrel Steel: 4150 Chrome Moly Vanadium  Barrel Finish: Nitride  Muzzle Thread: 1/2-36 Chamber: 9mm (9x19) Twist Rate: 1 in 10" Barrel Extension: 9mm, blowback Muzzle Device: A2 Flash Hider Receiver Material: ForgedReceiver Type: Flat Top AR-15, forward assist and dust cover included, black hardcoat anodized Hand guard Type: 4" Mlok Bolt Included: Yes (Hybrid AR-9) Bolt Steel: 8620 Charging Handle: Included, standard AR-1

SKU 51655128537 Brand Palmetto State Armory Model Number 51655128537 UPC 51655128537 DETAILS Barrel Length: 16" Gas System: Mid-length Barrel Profile: A2 Barrel Steel: Chrome-Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: F-marked Front Sight Base Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Hand guard Type: B5 Systems Polymer FDE Hand Guard Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158

SKU 51655111444 Brand Palmetto State Armory Model Number 51655111444 UPC 51655111444 DETAILS Barrel Length: 11.5" Barrel Profile: A2 Barrel Steel: Chrome Moly Vanadium Barrel Finish: Nitride Chrome Lining: No Muzzle Thread: 1/2-28 Chamber: 5.56 NATO  Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: A3 Handguard Type: Lightweight M-Lok 10.5" Free Float Rail Bolt Carrier Group Included: No Bolt Steel: N/A Bolt Carrier Profile: N/A

350 Legend offers great performance for hunting medium game with the AR15 platform. Being a straight walled cartridge, 350 legend allows for legal hunting in some states or jurisdictions with regulations that prohibit the use of bottleneck cartridges that are commonly used for hunting in the AR15/AR10 platforms. NOTE: Ensure you comply with all rules and regulations for your specific hunting area.

This Complete Upper includes the Slimline Handguard! INCLUDES: M4E1 THREADED ASSEMBLED UPPER RECEIVER Slimline Handguard 16" 5.56 CMV Gov. Barrel Low Profile Gas Block and Mid Length Gas Tube Product comes assembled This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab M4E1 UPPER WITH NO FORWARD ASSIST FEATURES: No Forward Assist Custom enhanced forging that gives the upper receiver a "billet look" while maintaining the structural integrity of a forged part

This complete upper includes our Slimline Handguard. The slimline line of handguards have a unqiue milling profile, designed to maximize grip ergonimics and minimize weight while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. INCLUDES: M4E1 Enhanced Assembled Upper Receiver 16" 5.56 Mid-Length Gov Barrel Low Profile Gas Block and Mid Length Gas Tube Product comes assembled This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab M4E1 UPPER FEATURES: Forged from 7075 T6 aluminum Precision machined to M4E1 specs M4 feedramps

This Complete 11 inch M-LOK upper receiver comes with a 9 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean. Barrel Specifications Caliber 9mm Length 11 Material 4150 Chrome Moly Vanadium Profile Straight Finish QPQ Corrosion Resistant Gas System Length Blowback Dimpled? No Twist Rate 1:10 Muzzle Thread 1/2x36 TPI Weight 17.6oz Bolt Carrier Group:

Weight 0.0000 oz Finish Anodized, Black Forward Assist Included Uninstalled Port Door / Dust Cover Included Uninstalled Receiver Material 7075 Aluminum T-Marks Unmarked Feed Ramps None MPN D076 UPC 810084374160 SKU: D076

This precision Ar15 upper comes assembled and ready to drop on your mil spec lower. 18" 416r Stainless Fluted barrel - HBAR Profile .223 Wylde chamber (shoots both 5.56/.223) 1 in 8 twist. m4 feedramps Mid-Length gas system, .750 gas block 7075-T6 Mil-Spec Aluminum Receiver Dust cover, Forward Assist 12" Free Float Hybrid Slim Keymod Rail M16 Bcg and Charging Handle Available, select from menu Item #: 18spiralhybrid

Want to see ALL of our Gun.Deals Exclusive Prices? CLICK HERE TO CHECK OUT ALL THESE DEALS PURCHASE A2 Rear Sight HERE Retro builds have been growing in popularity over the last few years.

This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour barrel with a black nitride finish, and features a 1:7 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 (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. This has the new handguard. More Information SKU 611N-UASCH556MM41617M-15M3 Weight (lbs) 5.300000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:7 Finish Black Nitride

SKU 5655103899 Brand Palmetto State Armory Model Number 5655103899 UPC 5655103899 DETAILS Barrel Length: 16" Gas System: Midlength Barrel Profile: A2 Barrel Steel: 4150 Chrome-Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: Timber Creek Enforcer 15" M-Lok Free Float Rail Bolt Carrier Group Included: No Bolt Steel: N/A

300 Blackout Ar-15 Pistol length ‘Grab Bag’ upper. Sometimes we receive some cosmetically blemished parts, or a customer might back out on an order, or we may have leftover gun-show inventory. This is an assembled upper (option to add BCG / Charging Handle) that will come with a free float handguard style of your choice! Picatinny Quad Rail or Slim M-Lok! Lengths and rail type may vary. The receiver itself might be forged or billet, and may or may not have dust cover / forward assist features.

This BCA AR-15 complete DUAL Charger 5.56 Nato pistol length upper has a 10.5" M4 barrel with a parkerized finish, and features a 1:8 twist rate, with a carbine 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) and rear charge handle. This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. More Information SKU 9727N-UADCH556CM410.518P-10M3 Weight (lbs) 3.500000 Magazine Capacity N/A Length 10.5 Profile M4 Contour Twist 1:8

AR-15 5.56/.223 16" Gov't Profile BLACK SHARK Upper Assembly / MLOKAR-15 5.56/.223  16" M4 "BLACK SHARK" UPPER ASSEMBLY. We now offer this upper with 12" slim profile Mlok rail.

SKU 51655155040 Brand Palmetto State Armory DETAILS Barrel Length: 16" Gas System: Carbine Barrel Profile: M4 Barrel Steel: 4150 Chrome-Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 13.5" Hex Full Picatinny M-Lok Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full-auto

SKU 5165451263 Brand Palmetto State Armory Model Number 5165451263 UPC 5165451263 DETAILS Barrel Length: 8.5" Barrel Profile: Heavy Gas System: Pistol-length Barrel Steel: 4150V Chrome Moly Vanadium Barrel Finish: Nitride Chrome Lining: No Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: PSA Fluted Flash Can Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 10.5" Lightweight M-Lok Free Float Rail Bolt Carrier Group Included: Yes

SKU: LWD-ARUPPER-556-16-CO UPC: 840235901723 Mil-Spec charging handle and bolt carrier group included Introducing the Contract Overrun complete upper receiver from Lone Wolf Arms, your ultimate gateway to crafting a top-tier AR15 rifle. Designed with precision and reliability in mind, this upper receiver boasts an 16-inch barrel with a 1/8 twist rate, chambered in the versatile .223 Wylde caliber. Crafted from resilient 41V50 steel, this barrel ensures durability and accuracy, even under the most demanding conditions.

SKU: LWD-ARUPPER-556-11-CO UPC: 840235901716 Mil-Spec charging handle and bolt carrier group included Introducing the Contract Overrun complete upper receiver from Lone Wolf Arms, your ultimate gateway to crafting a top-tier AR15 rifle. Designed with precision and reliability in mind, this upper receiver boasts an 11.5-inch barrel with a 1/8 twist rate, chambered in the versatile .223 Wylde caliber. Crafted from resilient 41V50 steel, this barrel ensures durability and accuracy, even under the most demanding conditions.

SKU 5165500368 Brand Palmetto State Armory Model Number 5165500368 UPC 5165500368 DETAILS Barrel Length: 20" Gas System: Rifle-length Barrel Profile: A2 Style Barrel Steel: 416R Stainless Steel Barrel Finish: Stainless Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 15" M-Lok Lightweight Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158

This Aero Precision M4E1 Threaded AR-15 upper receiver group comes completely assembled with 16” 5.56 barrel and the ATLAS R-ONE M-LOK handguard. This barreled upper receiver group does not include BCG or charging handle allowing you to choose your favorites for your build. The upper receiver is, however, fully assembled with forward assist and dust cover. The M4E1 threaded upper is made from forged 7075-T6 aluminum with a billet machined look that matches the lower and handguard.

This BCA AR-15 complete 5.56 Nato rifle length upper has a 16" M4 contour barrel with a black nitride finish, and features a 1:7 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 (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower. This has the new handguard. More Information SKU 611N-UASCH556MM41617M-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Length 16 Profile M4 Contour Twist 1:7 Finish Black Nitride

SKU 51655134676 Brand Palmetto State Armory Model Number 51655134676 UPC 51655134676 DETAILS Barrel Length: 16" Gas System: Mid-Length Barrel Profile: A2 Style Barrel Steel: 4150V Barrel Finish: Nitride Black Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Hand Guard Type: NEW PSA 15" M-Lok Lightweight Rail FEATURES

Builder's Grade Barreled 16" 9mm Upper Receiver | A2 | 15" M-LOK Handguard | Pistol Caliber | Black | Without Bolt Carrier Group and Charging Handle NO BCG OR CHARGING HANDLE INCLUDEDClick here for Charging HandlesClick here for Bolt Carrier Groups This Barreled 16 inch M-LOK upper receiver comes with a 15 inch free-float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 M4 barrel.

100-039-110WB AR-15 FM-9 5" 9MM UPPER RECEIVER M-LOK ASSEMBLED BLACK Mfr Part: FM9-5UR Cartridge: 9 mm Luger Finish: Black Style: Complete Length: 5" Muzzle: 1/2-36 Twist: 1-10 Complete Flattop Upper for Pistol Caliber AR-15 Carbines The Foxtrot Mike Products 9mm Upper Receiver comes fully assembled and ready to drop on any pistol caliber lower receiver that uses Glock magazines. With its full-length Picatinny top rail and M-LOK compatible handguard, the Foxtrot Mike 9mm Upper offers plenty of mounting space for optics and other accessories.

AR-15 Ejection Port Dust Cover Engraving - Air ForceAR-15 Ejection Port Dust Cover Complete Assembly with Air Force Engraving.Includes:Ejection Port Cover Door (Dust cover)Steel SpringSteel RodC-ClampFits: AR-15 MPN#: DC223-AIR

This complete upper includes our Slimline Handguard. The slimline line of handguards have a unqiue milling profile, designed to maximize grip ergonimics and minimize weight while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

This complete upper includes our Slimline Handguard. The slimline line of handguards have a unqiue milling profile, designed to maximize grip ergonimics and minimize weight while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.

100-039-110WB AR-15 FM-9 5 9mm Upper Receiver M-LOK Assembled Black Cartridge: 9 mm Luger Finish: Black Style: Complete Length: 5" Muzzle: 5/8-24 Twist: 1-10 Description Specs Complete Flattop Upper for Pistol Caliber AR-15 Carbines The Foxtrot Mike Products 9mm Upper Receiver comes fully assembled and ready to drop on any pistol caliber lower receiver that uses Glock magazines. With its full-length Picatinny top rail and M-LOK compatible handguard, the Foxtrot Mike 9mm Upper offers plenty of mounting space for optics and other accessories.

More than 400 AR-15 Stripped or Complete Upper Receivers In Stock Now!

SKU 51655156160 Brand Palmetto State Armory DETAILS Barrel Length: 7.5" Gas System: Pistol-length Barrel Profile: Heavy Barrel Steel: 4150V Chrome Moly Steel Barrel Finish: Phosphate Chrome Lining: None Muzzle Thread: 5/8x 24" Chamber: 300 Blackout Twist Rate: 1 in 8" Barrel Extension: M4 Diameter at Gas Block: .750" Gas Block Type: Low-profile Muzzle Device: A2 Style Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Hand guard Type: PSA 6" Lightweight Hex Full Picatinny M-Lok Free Float Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158

This combo kit comes with the 9mm Right to Bear Barrel of your choice, a slick side 9mm (.22LR compatible) upper receiver, and a 9mm AR9 bolt assembly. The Right To Bear 9mm Barrels are machined in house on state-of-the-art CNC machines and are thoroughly inspected at multiple stages of the build process to ensure quality. These barrels are machined from 4150 Chrome Moly Vanadium Steel and have a 1:10 twist rate. The final process is a salt bath Nitride finish for an added layer of protection.The RTB Upper is made from forged 7075-T6 aluminum and is Hard Coat Anodized.

Caliber: 22LR Upper Receiver: Slick Side Forged 7075 T6 Bolt: Stainless Steel Construction Barrel: 4.5 inch / 1:16 Handguard: 5.5 inch Free-Float M-LOK Muzzle Device: Flash Can Linear Compensator Charging Handle: Anti-Jamb 22lr Compatible with standard AR lower receivers Made in USA

Davidson Defense "Black Tuesday" AR-15 Pistol Featuring Davidson Defense Upper 5.56 NATO 7.5" 416R SS Stainless 1:7T 7 M-Lok Gauntlet Arms Freefloat Handguard Upper Build Kit (Assembled or Parts Kit) Caliber: 5.56x45 NATO / .223 Remington

Davidson Defense "Silver Tongue" LR-308 Rifle Featuring Davidson Defense Upper 6.5 Creedmoor 18" 416R SS Stainless 1:8T 15" M-Lok Gauntlet Arms Free Float Handguard Complete Upper Build (Assembled or Parts Kit) Caliber: 6.5 Creedmoor / 6.5x48mm

Davidson Defense "Silver Tongue" LR-308 Rifle Featuring Davidson Defense Upper 6.5 Creedmoor 18" 416R SS Stainless 1:8T 15" M-Lok Gauntlet Arms Free Float Handguard Upper Build Kit (Assembled or Parts Kit) Caliber: 6.5 Creedmoor / 6.5x48mm

With a 10.5-inch barrel made of Chrome Moly Vanadium and a twist rate of 1-7, the 5.56 NATO AR-15 Upper from Andro Corp Industries offers dependable performance. It comes fitted with a sleek M-LOK hand guard, allowing for easy customization with your favorite accessories. Constructed from Mil-Spec 7075 T6 aluminum and featuring T-marks, the upper is also dry film lubricated to ward off corrosion. Its use of Mil-Spec components makes it a trustworthy choice. Barrel Specifications Caliber 5.56 Length 10.5" Material 4150 Chrome Moly Vanadium Profile M4 Finish QPQ Corrosion Resistant

Pistol Upper assembly for your Ar9 / 9mm Ar15. 5/8-24 Threaded barrel, 4150 CMV Nitride 4″ MLok Handguard, Sport / Slick Side receiver (7075-t6 Aluminum, anodized black)