Uppers Gun Parts
(3,591 deals total)

  • Uppers
from $619.99
MPN: B14RBA002
Brand: Bergara
Caliber: 22 LR
Overall Length: 49.0000
Weight: 8.1 lbs
from $645.99
MPN: LE6920CK
Brand: Colt
Caliber: 223/5.56
Model: LE6920CK
Type: Upper
from $869.99
MPN: LE6921CK
Brand: Colt
Caliber: 223/5.56
Overall Length: 30.5000
from $756.39
MPN: LE6933CK
Brand: Colt
Caliber: 223/5.56
Overall Length: 30.5000
from $650.88
MPN: LE6920CK-NHG
Brand: Colt
Caliber: 223/5.56
Overall Length: 30.5000
from $999.99
MPN: LE6920EPR-CK
Brand: Colt
Caliber: 223/5.56
Overall Length: 30.5000
from $913.09
MPN: LE6921EPR-CK
Brand: Colt
Caliber: 223/5.56
Overall Length: 31.0000
from $480.99
MPN: 91822
Brand: Bushmaster
Caliber: 223/5.56
Overall Length: 30.7000
from $379.69
MPN: 92194
Brand: Bushmaster
Caliber: 223/5.56
Overall Length: 30.6000
from $325.58
MPN: B2-K612-AF02
Brand: Anderson Manufacturing
Caliber: .223/5.56
Overall Length: 28.0000

Filter Uppers Gun Parts

1 hour ago
This Barreled 16 inch M-LOK upper receiver comes with our RTB 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 barrel. Barrel: LENGTH - 16" MATERIAL - 4150 CHROME MOLY VANADIUM 11-DEGREE TARGET CROWN - FURTHER IMPROVE ACCURACY PROFILE - M4 FINISH - QPQ CORROSION RESISTANT GAS SYSTEM LENGTH - CARBINE GAS BLOCK JOURNAL - .750" GAS BLOCK JOURNAL TWIST RATE - 1/7 TWIST MUZZLE - 1/2X28 THREADED WEIGHT - 28OZ Upper Receiver:
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6 hours ago
The Contract Overrun upper receiver group is built for maximum maneuverability with its 11.5" Government-profile barrel and Carbine length gas system, ensuring smooth and reliable cycling. Equipped with a DD4 7.0 M-LOK rail, it offers plenty of space for accessories without adding extra weight. This quick and fast-shooting option comes complete with a Front Sight Post, rear sight, M16-profile bolt carrier group, and a Grip-N-Rip charging handle. All NFA rules apply Description: - Daniel Defense DD4 7.0 - Complete Upper Receiver - 556NATO - 11.5″ Barrel - 1:7 Twist
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Bereli 11172
7 hours ago
NO BCG OR CHARGING HANDLE INCLUDED 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. Barrel: 16" 5.56 4150 CMV Barrel - Black Nitride M4 Carbine Profile - .750" GB Journal 1:7 Twist Rate - 1/2x28 Muzzle Thread Upper Receiver: Machined from a Mil-Spec 7075 T6 forging M4 Feed ramps Black Anodized Made in the U.S.A. Handguard: 12" free-float handguard Slant Cut Black Anodized MIL-STD 1913 Picatinny rail on top
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7 hours ago
RTB Barreled 16" 5.56 Upper Receiver | A2 | 15" M-LOK - Black Anodized This Barreled 16 inch M-LOK upper receiver comes with our RTB 15 inch free float handguard and is built with only the best Mil-Spec components.
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7 hours ago
Barreled 16" 5.56 Carbine Upper Receiver | A2 | 15" M-LOK - Sniper Grey NO BCG OR CHARGING HANDLE INCLUDED 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. Barrel: Length - 16" Material - 4150 Chrome Moly Vanadium Finish - Parkerized Profile - M4 Contour Gas System Length - Carbine Length Gas Block Journal - .750" Twist Rate - 1:7 inches Muzzle - 1/2x28 Threaded Weight - 2.5 Pounds Other Info - M4 Feed Ramps Upper Receiver:
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8 hours ago
This Complete Upper includes our Slimline 15 Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail. INCLUDES: M4E1 Enhanced Assembled Upper Receiver Enhanced Handguard of choice 14.7" 5.56 CMV Barrel Low Profile Gas Block and Mid Pencil 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
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8 hours ago
This Bear Creek Arsenal AR-15 Complete 5.56 rifle length upper has a 20" heavy barrel with a parkerized finish, and features a 1:7 twist, with a rifle length gas system. It includes a Rifle Handguard, A2 Front Sight & Carry Handle, 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 509-UA556RHB2017P-RHGFSCH Weight (lbs) 7.250000 Magazine Capacity N/A Barrel Length 20 Profile Heavy Barrel Twist 1:7 Barrel Finish Parkerized
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12 hours ago
THESE ARE USED/DEMO UPPER RECEIVER ASSEMBLIES. All will have several nicks, scratches, and marks on exterior finish. NO HANDPICKING. This receiver has the M4 feedramps machined in. This is to be used with barrels that include the M4 barrel extension. Built to the correct Mil-Specs. (Inside Diameter for barrel extension slightly undersized for a tighter fit to the barrel and a more accurate rifle. Please use a heat gun or hair dryer to warm up threaded bore of receiver if barrel extension is too tight.)
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14 hours ago
The perfect AR 15 complete upper for your lower, without all the tools required to build it. Black Rifle Depot's complete AR 15 uppers are made from the highest quality USA produced components out there. All of Black Rifle Depot's complete uppers are fully assembled, test fired and ready to pin to the lower receiver of your choice. As with all of our products, these are guaranteed for life. These AR 15 complete and ready to attach and turn AR 15 lower receiver into a functioning AR 15 Rifle. Features: 7075-T6 Forged Aluminum Upper Receiver 16" 5.56 NATO Barrel 1:7 Twist
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14 hours ago
The 16" 5.56 Left Handed AR 15 Upper Assembly comes with 15” M-Lok Handguard. These AR 15 Uppers are designed with left handed shooters in mind. Build on a left handed AR 15 upper receiver. These AR 15 Uppers are manufactured in the United States and are backed with a lifetime warranty on parts and craftsmanship. Features: 16" 5.56 NATO Black Nitride AR 15 Barrel Mid-Length Gas Profile 1:7 Twist Left Handed 7075-T6 Forged Upper Receiver with T-Marks Forward Assist & Dust Cover 15" M-LOK Handguard Bolt Carrier & Charging Handle Included
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16 hours ago
DPMS DP51655130076 Barrel Length: 11.5" Barrel Profile: A2 Gas System: Carbine-Length Barrel Steel: 4150V Chrome Moly Vanadium Barrel Finish: Phosphate Chrome Lining: No Muzzle Thread: 1/2x28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-profile Muzzle Device: DPMS A2 Flash Hider Receiver Material: Forged 7075 T6 Aluminum Receiver Type: M4 Handguard Type: DPMS 10.5" Lightweight M-Lok Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full-auto Charging Handle Included: Yes
0
18 hours ago
SKU 5165449009 Brand Palmetto State Armory Model Number 5165449009 UPC 5165449009 DETAILS Barrel Length: 12" Gas System: Carbine-length Barrel Profile: A2 Style Barrel Steel: 416R Barrel Finish: Stainless Steel Chrome Lining: None Muzzle Thread: 5/8-24 Chamber: 6.5 Grendel; Type 2 Twist Rate: 1:8 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low profile adjustable gas block Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 10.5" Lightweight M-Lok Free Float Rail Bolt Carrier Group Included: Yes
2
18 hours ago
SKU 5165491720 Brand Palmetto State Armory Model Number 5165491720 UPC 5165491720 DETAILS Barrel Length: 8.5" Gas System: Pistol-length Barrel Profile: Heavy Barrel Steel: Chrome Moly Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 5/8-24" Chamber: 300AAC Blackout Twist Rate: 1 in 7" 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 Handguard Type: 7" Lightweight M-Lok Rail Bolt Carrier Group Included: No Bolt Steel: N/A
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23 hours ago
Finish : Anodized Barrel Length : 14.50 Hand : Right Barrel Contour : Government Color : DDC Item Height (Inches) : 2.250 Item Length (Inches) : 22.000 Cartridge : 5.56x45 NATO Item Weight (lbs) : 5.000 Receiver Style : Stripped Gas System Length : Mid-Length Item Width (Inches) : 2.250 Make Model Fit : AR-15.Universal Material : Aluminum Quantity : 1 Muzzle Threads : 1/2"x28 Twist : 1-7 Brownells sku: 430106318 MPN#: BROWNELLS-M4A1 RIII UPC#: 818773023801
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Brownells 6235
23 hours ago
100-042-985WB M4A1 SOCOM Upper 14.5" 5.56 & B5 SOPMOD Mil-Spec Stock FDE Cartridge: 5.56 mm NATO Finish: Flat Dark Earth Style: Stripped Length: 14.5" Muzzle: 1/2-28 Twist: 1-7 Superior Specs. Ultimate Performance. The Daniel Defense M4A1 SOCOM Block II Upper Receiver has been designed for those looking to match the specs and performance on the M4A1 SOCOM Block II carbines used by troops during Operations Iraqi Freedom and Enduring Freedom.
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Brownells 11091
23 hours ago
Barrel Contour : Medium Cartridge : 5.56x45 NATO Barrel Length : 10.30 Color : Black Finish : Matte Make Model Fit : AR-15.Universal Hand : Right Material : Aluminum Twist : 1-7 Quantity : 1 Receiver Style : Stripped Brownells sku: 100018030 MPN#: BROWNELLS-MK18
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Brownells 17909
23 hours ago
160-000-445WB LE6960-CCU Upper Receiver 5.56 M-LOK Black Cartridge: 5.56 mm NATO Finish: Black Style: Complete Twist: 1-7 Offers Colt Quality for Your AR Build Brownells and Colt have teamed up to offer the LE6960-CCU Upper Receiver which is the same as found on the Colt LE6960-CCU, or Colt Combat Unit Carbine AR-15.
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Brownells 30350
23 hours ago
Add the Colt legend of reliability to your rifle or build with these complete feature 1/7 RH twist in a chrome lined, button rifled barrel. Available with or without a charging handle, bolt carrier group, and back up sights. All NFA rules apply. NOTE: Does NOT include bolt carrier group, charging handle, or rear backup sight AR-15, Issue:11, Page:003 Big Book Catalog, Issue:72, Page:003 160-000-446WB
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Brownells 46699
1 day ago
- 16” 5.56 NATO barrel with FM products 4-port Micro muzzle brake - .223 Wylde chambering - 1:8 Twist rate - Lightweight barrel profile - 41v50 Barrel steel - 15” M-LOK free float handguard - Mid-length gas system - .625" Patent pending fail-proof gas block - Proprietary handguard / upper interlock keeps handguard true to the upper - Handguard and upper made from a billet of 6061-T6 aluminum - Type 3 hardcoat anodized finish - Weight: 3.2 lbs. - Total Length: 24.125" - Limited lifetime warranty through Foxtrot Mike Products
4
1 day ago
100040692 100-040-692WB M4A1 Stripped SOCOM Upper Receiver Handguard Only 14.5in Cartridge: 5.56x45 Finish: Flat Dark Earth Style: Stripped Length: 14.5" Muzzle: 1/2-28 Twist: 1-7 Description Specs Superior Specs. Ultimate Performance. The Daniel Defense M4A1 SOCOM Block II Upper Receiver has been designed for those looking to match the specs and performance on the M4A1 SOCOM Block II carbines used by troops during Operations Iraqi Freedom and Enduring Freedom.
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Brownells 77910
1 day ago , by Dealer
Item #: Looking to complete your pcc AR build? Buy this 9mm pistol length upper for your 9mm Ar9 / Ar-15 in 9mm. It will come assembled, with a free float handguard. We choose the barrel/length, handguard, and muzzle device. Generally, these will range from 4″ to 12″. If you have a request, put it in the order comments, we can try to accommodate. Just keep in mind that these are built from available 9mm inventory any may be limited. Be mindful of NFA rules when building. 9mm Upper Assembly Features: 9mm Barrel, 4150 CMV or 416r SS 5/8-24 Threads
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1 day ago
This combo kit comes with a 9mm Right to Bear Barrel and a SlickSide 9mm (.22LR compatible) upper receiver. The Right To Bear 9mm Barrel is machined in house on state-of-the-art CNC machines and are thoroughly inspected at multiple stages of the build process to ensure quality. This barrel is machined from 4150 Chrome Moly Vanadium Steel and has a 1:10 twist rate. Available in multiple thread pitches. 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.
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1 day ago
The Black Rifle Depot 16″ 5.56 Gov / SOCOM Midlength Ultralight M-LOK AR 15 Complete Upper Assembly is designed for the shooter who demands both performance and style. The 16" 5.56 M4 profile 1:7 twist barrel with a mid-length gas system is finished in QpQ Nitride for exceptional durability and accuracy. The 15" ultra light M-LOK handguard provides a sleek and stable platform for accessories, while the .750 steel gas block with QpQ Nitride finish ensures reliable gas system operation.
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1 day ago
Looking for a top-performing AR 15 upper that's ready to go right out of the box? Introducing the "Tiger King", Black Rifle Depot's Complete AR 15 Upper. Made from the finest USA-produced components, this upper is fully assembled, test fired, and ready to be paired with the lower receiver of your choice. The Tiger King features a durable 7075-T6 forged upper, forward assist/dust cover, 16" 5.56 government profile NATO barrel, mid-length gas system, 1:7 twist, and 12" M-LOK handguard, providing reliable performance in the field.
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2 days ago
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.
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2 days ago
BUILDER'S GRADE COMPLETE 10.5" 5.56 UPPER RECEIVER | A2 | 9" M-LOK | BCG & CH This Complete 10.5 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: Length - 10.5" Material - 4150 Chrome Moly Vanadium Profile - Government Finish - QPQ Corrosion Resistant Gas System Length - Carbine Gas Block Journal - .750"
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2 days ago
This upper receiver build kit is comprised of the following items and comes with everything that you need to build out your upper. Be sure to select any of or dust cover options from the dropdown menu! Includes: Complete 5.56 Polished Black Nitride Bolt Carrier Group M4 Flat Top Upper Receiver - Stripped Standard M4 5.56 Charging Handle - 7075 Aluminum Component Features: RTB 5.56 Black Nitride BCG Enhanced 9310 Steel (Bolt) 8620 Tool Steel (Carrier) Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring Tool Steel Extractor Shrouded Firing Pin
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2 days ago
The FoldAR MoBetta Complete Upper comprises the core of folding barrel interface technology and creates the most versatile and concealable weapon systems ever conceived. With its quick-change barrel system capability and unprecedented concealability, the MoBetta Complete Upper can easily and quickly configure your rifle into the One Rifle to Rule Them All. (BCG and Charging handled included) Our Complete Uppers fit MilSpec lowers and can be delivered to your home address (No FFL Required)!
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FoldAR 169
2 days ago
The FoldAR MoBetta Complete Upper comprises the core of folding barrel interface technology and creates the most versatile and concealable weapon systems ever conceived. With its quick-change barrel system capability and unprecedented concealability, the MoBetta Complete Upper can easily and quickly configure your rifle into the One Rifle to Rule Them All. (BCG and Charging handled included) Our Complete Uppers fit MilSpec lowers and can be delivered to your home address (No FFL Required)!
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FoldAR 289
2 days 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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2 days ago
Details 16" Barrel Length M4 Profile 5.56 NATO Chamber 1 in 7" twist 4150V Chrome Moly Vanadium Steel Barrel, Phosphate Coated Carbine-length Gas System PSA Classic Carbine Handguards, Flat Dark Earth M16 Full Auto Bolt Carrier  Carpenter 158 Bolt Charging Handle Features Barrel: 4150V Chrom Moly steel phosphate coated barrel. Chambered in 5.56 NATO, with a 1/7" twist, M4 barrel extension, and a carbine-length gas system. This M4 profile barrel is finished off with a standard handguard in Flat Dark Earth, F-Marked gas sight base, and A2 flash hider.
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3 days ago
16" Barrel Length 5.56 NATO Chamber 1/7" Twist Rate 4150V Chrome Moly Vanadium Steel Barrel, Phosphate Carbine-Length Gas System Standard Carbine Handguards, Black M16 Full Auto Bolt Carrier Group Carpenter 158 Bolt Charging Handle Included Features Barrel: 4150V Chrom Moly steel. Chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, and a carbine-length gas system. This phosphate coated M4 profile barrel is finished off with a standard handguard, F-Marked gas sight base, and A2 flash hider.
0
3 days ago
This Bear Creek Arsenal AR-15 Complete 5.56 rifle upper has a 16" M4 with a black nitride finish, and features a 1:7 twist, with a carbine length gas system. It includes the new 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 684N-UA556CM41617M-15M3 Weight (lbs) 6.000000 Magazine Capacity N/A Barrel Length 16 Profile M4 Contour Twist 1:7 Barrel Finish Black Nitride Material 4150 Chrome Moly Vanadium Thread Pitch 1/2 x 28
0
3 days ago
SKU 51655155044 Brand Palmetto State Armory 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: 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 Free Float Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full Auto
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4 days ago
SKU 51655155570 Brand Palmetto State Armory DETAILS Barrel Length: 16" Gas System: Mid-length Barrel Profile: Pencil Barrel Steel: 4150 Chrome-Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2 x 24 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .625 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 13.5" Lightweight Hex Full Picatinny M-Lok Rail Bolt Carrier Group Included: No Charging Handle Included: No FEATURES
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4 days 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 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 8968N-UA556CM414.517P-12M3 Weight (lbs) 4.750000 Magazine Capacity N/A Barrel Length 14.5 Profile M4 Contour Twist 1:7 Barrel Finish Parkerized Material 4150 Chrome Moly Vanadium
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4 days ago
This RTB .22 Rimfire Complete Upper Receiver comes with our precision 9 inch barrel and a 10 inch Free-Float MLOK rail, with the flash can partially recessed into the handguard. The bolt is made of all stainless steel construction and we use an anti-jamb dedicated 22 charging handle. Our RTB branded upper receivers are fully compatible with CMMG or similar 22 components. Our barrels and bolts are fully interchangeable and follow the same pattern as CMMG. Compatible with RTB/CMMG .22 magazines, which you can find here Caliber: 22LR Upper Receiver: Slick Side Forged 7075 T6
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4 days ago
RTB Complete 16" .22LR Lightweight Upper Receiver | A2 | 13.5" M-LOK | With Bolt Carrier Group and Charging Handle This Complete 16 inch M-LOK upper receiver comes with our RTB 13.5 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 16" Material 4150 Chrome Moly Vanadium Profile Lightweight Pencil Finish SBN Dimpled?
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4 days ago
This Barreled 7.5 inch M-LOK upper receiver comes with a 7 inch free float slant cut handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a precision 4150 Chrome Moly Vanadium barrel. 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 Barrel Extension M4 Feed Ramps Target Crown 11 Degree Upper Receiver:
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5 days ago
The PRO Upper Receiver Group built around our PRO 5.56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard, BREACH Charging Handle, and VG6 Delta muzzle device round this assembly out into a premium turnkey solution for your next build. NOTICE: The muzzle device on this upper receiver is not pinned or welded. All NFA rules and regulations apply. Includes: 13.7" PRO 5.56 Cold Hammer Forged Barrel PRO 5.56 Bolt Carrier Group M4E1 Threaded Upper Receiver ATLAS R-ONE Handguard VG6 Delta Flash Hider Mid-Length Gas System
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5 days ago
Upgrade the performance of your AR15 build with this 6.5 Grendel Complete Upper Receiver. Designed to be a low recoil/high accuracy cartridge, the 6.5 Grendel is ideal for those looking to stretch the legs of their AR15 rifle, with proven results at 1000+ yards. Features: Laser engraved T-marks (Anodized only) Comes assembled, with port door and forward assist installed Accepts standard AR15/M16 components Handguard mounting platform is forged into the receiver Works with Aero Precision handguards but also fits most BAR-system handguards
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6 days ago
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
0
6 days ago
CUS16M4 Details: AR15 CUSTOM UPPER 16" 556 PENCIL BFI M4 HANDGUARD 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: M4 Handguard • 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. 783583554015
4
6 days ago
This complete upper includes our 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. 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. Includes: M4E1 Threaded Assembled Upper Receiver ATLAS R-ONE Handguard of choice 14.5" 5.56 Mid-Length CMV Barrel
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6 days ago
This EPC-9 Complete Upper Receiver comes standard with our 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. 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. Includes: EPC-9 Upper Receiver 7.3" ATLAS R-ONE Handguard 8.3" 9mm CMV Barrel Product comes assembled
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6 days ago
Finally get a quality, true-to-form reproduction M16A1 Upper Receiver for a fraction of the cost. These are machined from 7075-T6 forgings specifically designed to have the correct proportions and profile of the original M16A1 Upper Receiver. Machine work is performed by true craftsmen with careful attention to detail. These uppers are finished with Mil-Spec type 3 hard anodizing which has the best likelihood of matching most mil-spec forged lower receivers. This is the proper upper to use for the following reproduction builds: XM16E1 M16A1 Model 607
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6 days ago
The Aero Precision M4E1-T Barreled Upper Receiver is a pre-assembled upper designed for AR-15 platform builds chambered in 5.56 NATO. It features a lightweight and versatile 13.9-inch mid-length barrel for a balance between maneuverability and accuracy. The upper comes with the ATLAS R-ONE handguard, known for its slim profile and ample space for mounting accessories like bipods, lights, or lasers. The ATLAS attachment system offers a secure and dependable platform for these attachments.
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6 days ago
Note: This barreled upper receiver assembly has a barrel length under 16” and is therefore subject to all NFA rules and regulations. Know your local laws before purchasing.
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6 days ago
The Aero Precision M5 .308 Stripped Upper Receiver is ideal for your next big bore rifle build. Forged from 7075-T6 aluminum, this stripped upper is precision machined to accept standard .308 components. For best results, match this with our M5 .308 lower receiver for a solid and dependable fit. Features: - M4 feedramps - Machined for .2795” takedown/pivot pins (DPMS size) - Laser engraved T-marks - DPMS High Profile (.210”) tang - Weight: 12.7 oz Assembly: Stripped Brand: Aero Precision Feed Ramps: M4 Finish: Hardcoat Anodized
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6 days ago
The Aero Precision Assembled Upper Receiver arrives with the port door and forward assist factory installed. Crafted from a 7075-T6 aluminum forging machined to MIL-SPEC including M4 feed ramps. The upper is then Type III Class 2 hardcoat anodized and laser engraved with T-marks. Compatible with all MIL-SPEC AR-15/M16 components. Features: M4 feedramps Anodized black Machined for .250” takedown/pivot pins Laser engraved T-marks Includes port door and forward assist Weight: 8.3 oz SKU: AP501603-ASMBLY MPN: APAR501603A
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1 week ago
This NBS Slick Side Billet Upper Receiver and M-LOK Handguard combo was designed and machined to match up beautifully together. It packs a multitude of great features into a sleek, rigid and durable package. To top it off, this American made combo is backed by the NBS Limited Lifetime Warranty. NBS Slick Side Billet Upper Receiver
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1 week ago , by Dealer
Sentinel 5.56 16" 1x7 Upper With Carry Handle Rear Sight Bundle With LPK And 6 Position Stock Features: 16" 5.56 1x7 4150CMV Nitride Coated Barrel W M4 Feed Ramp F Marked A2 Complete Front Sight Gas Block With Sling Swivel Flat Top Upper with Forward Assist and Port Door Carbine Length Gas Tube CAR Handguard with Heat Shield A2 Flash Hider BCG Charging Handle Removeable Carry Handle Rear Iron Sight LPK 6 Position Stock Set
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1 week ago , by Dealer
KG Angry Kitty 7.5" 5.56 A1 M-Lok Pistol Upper Does Not Come With BCG or Charging Handle. Use the options on the right to add them. FEATURES: KG AR15 A1 Upper with Rear Sight Assembly and Tear Drop Forward Assist 7.5" 4150P 1x7 5.56 Barrel Steel Front Sight Gas Block With Front Sight and Sling Assembly Pistol Gas Tube 4" Free Float M-Lok Handguard Flash Hider
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1 week 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 a Rifle Handguard, M16 style A2 Front Sight & Carry Handle, a M4 flat-top forged upper receiver, a BCA bolt carrier group, flash hider, and a rear charging handle. This .223 Wylde upper is compatible with any mil-spec AR-15 lower. More Information SKU 9071-UA223WRGVNT2018M-RHGFSCH Weight (lbs) 6.000000 Magazine Capacity N/A Length 20 Profile Government Twist 1:8 Finish Black Nitride
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1 week ago
SKU 51655158559 Brand Palmetto State Armory DETAILS Barrel Length: 8.5" Gas System: Pistol Length Barrel Profile: Heavy Barrel Steel: 4150 Chrome-Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 5/8x24" Chamber: 300 Blackout 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 7" M-Lok Free Float Rail Bolt Carrier Group Included: No Bolt Steel: N/A Bolt Carrier Profile: N/A
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1 week ago
This BCA AR-15 complete .223 Wylde carbine length upper has a 16" straight fluted heavy barrel with a 416R Stainless Steel finish, and features a 1:8 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 (gen 2 ) handle (patent pending). This .223 Wylde upper is compatible with any mil-spec AR-15 lower. More Information SKU 9084N-UASCH223WCHB1618SSF-15M3 Weight (lbs) 6.250000 Magazine Capacity N/A Barrel Length 16 Profile Heavy Barrel Twist 1:8
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1 week ago , by Dealer
AR-74 5.45x39 16" MLOK UPPER ASSEMBLY / SLIP OVER BARREL SHROUDAR-74 5.45x39 16" MLOK UPPER ASSEMBLY / SLIP OVER BARREL SHROUD.
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1 week ago
Patriot Ordnance Factory 01988 P415 Complete Upper (Piston Driven Adj. Gas Block) 5.56x45mm NATO 16.50", OD Green Anodized, 3-Port Muzzle Brake, 14.50" MMR M-LOK Handguard The P-415 was designed to be unstoppable in all environments.It is a product of constant development and design improvement.
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1 week ago
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.
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1 week ago
SKU 51655155574 Brand Palmetto State Armory DETAILS Barrel Length: 18" Gas System: Rifle Length Barrel Profile: A2 Style Barrel Steel: 416R Barrel Finish: Stainless Steel Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: .223 Wylde 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" Hex Full Picatinny M-Lok Free Float Rail Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full Auto
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