Uppers Gun Parts
(1,123 deals total)

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3 hours ago
100-040-655WB Piston Upper 10.5in Barrel 9in Handguard Black Cartridge: 5.56 mm NATO Finish: Black Style: Complete Contour: Medium Length: 10.5" Muzzle: 1/2-28, ... click details to view more.... Description Specs Built by Aero Precision, Featuring Premium Superlative Arms Piston Components
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3 hours ago
100-026-233WB AR-15 FM-9 8.5" 9mm Upper Receiver M-LOK Assembled Black Cartridge: 9 mm Luger Finish: Black Style: M-LOK Length: 8.5 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.
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5 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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5 hours ago
078-000-444WB BRN-10® 308 18" Carbine Barrel FSB 1-10 Rifle Gass Cartridge: 308 Winchester Length: 18 Barrel Weight: 2.375 lbs Contour: Lightweight Finish: Phosphate Gas System Length: Rifle, ... Carbine variants of the Lightweight BRN-10 Barrels
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5 hours ago
Great foundation for your 9mm Ar15 build. 9mm Nitride BCG (ramped for standard hammer, compatible with glock & colt mags) Sport upper receiver (NOTE: may come with a standard mil spec stripped upper instead, with holes for DC & FA) 7075-T6 Aluminum Streamlined with no forward assist or dust cover capability (open ejection port). receiver may or may not have brass deflector. Item #: 9bcgandupper  
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7 hours ago
NOTE: This upper assembly has a barrel less than 16” in length. These uppers are intended for use in AR-15 pistols or legal short-barreled rifles. Other configurations may violate Federal law.
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10 hours ago
160-710-147WB M4 LE6921 Upper Group 14.5in Stripped Cartridge: 5.56 mm NATO Finish: Black Style: Complete Contour: Carbine Length: 14.5" Muzzle: 1/2-28, ... click details to view more.... Description Specs
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10 hours ago
078-000-543WB BRN-10® Upper Receiver Cartridge: 308 Winchester Finish: Black Description Specs The BRN-10 Upper Receiver is now yours to build off of!
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14 hours ago
RTB 9mm / 22LR Slick Side Upper Receiver This .22LR / 9mm upper receiver assembly is made from forged 7075-T6 aluminum and is finished in Graphite Black Cerakote. It meets military specifications and comes in a slick side configuration MPN#: RTB-PCC-M4
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14 hours ago
MidwayUSA is proud to offer this AR-STONER Optics Ready Upper Receiver Assembly in 450 Bushmaster at an exceptional price! This AR-STONER carbine length upper features a 450 Bushmaster bolt carrier group, parkerized finish, low profile gas block, and a heavy profile barrel. The A3 upper will attach to virtually any standard AR-15 lower receiver and comes complete with charging handle, forward assist, ejection port cover, A2 flash hider, bolt and bolt carrier assembly. Supplied without a rear sight, this upper is a great platform for a red dot sight or iron sights (both sold separately).
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15 hours ago
The AR15 Stripped Upper Receiver is one of our most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower receivers for a solid and dependable fit. Features: - M4 Feedramps - .250 takedown pin holes - Laser engraved T-marks Includes: - Blemished AR15 Stripped Upper Receiver in Anodized Black This product is blemished. Blemishes may include: - Plating inconsistencies - Pits - Scratches - Dents - Flaws in finish
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15 hours ago
Our Special Edition: Texas M5 .308 Stripped Upper Receiver features a custom State of Texas laser etching on the tang of the upper receiver. Forged from 7075-T6 aluminum, this stripped upper is precision machined to accept standard .308 components and is the perfect upper for your big bore build. Match this with our Special Edition: Texas M5 .308 Lower Receiver for a solid and dependable fit. Features: - Laser engraved State of Texas on tang of receiver - M4 Feedramps - .2795 takedown pin holes - Laser engraved T-marks - DPMS High Profile (.210) Tang)
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1 day ago
100-040-656WB Piston Upper 14.5in Barrel 12in Handguard Black Cartridge: 5.56 mm NATO Finish: Black Style: Complete Contour: Medium Length: 14.5" Muzzle: 1/2-28, ... click details to view more.... Description Specs Built by Aero Precision, Featuring Premium Superlative Arms Piston Components
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1 day ago
SKU: 5165490830 UPC: 5165490830 MFR#: 5165490830 - Barrel Length: 10.5" - Barrel Profile: A2 - Gas System: Carbine-Length - Barrel Steel: 4150 Chrome Moly  - Barrel Finish: Phosphate - 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: M4 - Handguard Type: PSA 9" Lightweight End M-Lok - Bolt Carrier Group Included: No - Bolt Steel: N/A - Bolt Carrier Profile: N/A
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1 day ago
SKU: 5165492809 UPC: 5165492809 MFR#: 5165492809 Barrel Length: 10.5" Barrel Profile: A2 Gas System: Carbine Length Barrel Steel: Cold Hammer Forged Chrome Moly Vanadium  Barrel Finish: Phosphate Chrome Lining: Extra Thick 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 12" Slant End M-Lok Rail Bolt Carrier Group Included: No Bolt Steel: N/A Bolt Carrier Profile: N/A
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1 day ago
 Ar15 upper. Assembled and ready to drop on your Ar15 lower and go. - 7.5" 4150 Chrome moly barrel - 5.56/223 Chamber - 1/7 Twist - 1/2-28 threads - a2 flash hider - .750 gas block - Pistol gas  - 7" mlok free float rail - 7075-t6 Mil spec aluminum receiver - Dust cover, forward assist - Rail along top for optics mounting Note: blem items may have small cosmetic defects such as scratches or scuffs that will not hinder performance  
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1 day ago
160-000-388WB M4 LE6920 Upper Group 16in with BCG and Sights Cartridge: 5.56 mm NATO Finish: Black Style: Complete Length: 16 Description Specs 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 MPN#: LE6920CK
0
1 day 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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1 day ago , by Dealer
NOTE: This upper assembly has a barrel less than 16” in length. These uppers are intended for use in AR-15 pistols or legal short-barreled rifles. Other configurations may violate Federal law.
0
1 day ago
Manufactured to be described as a very good item for nearly any individual, we're certain you will enjoy the Ghost Firearms Vital 5.56 Upper Receiver .These AR15 Upper Receivers from the expert product specialists at Ghost Firearms are fashioned using heavy duty and reliable components, to be able to provide you with a product that will be effective for many years.
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1 day ago
DD Custom Arms Elite Series "Loess" AR-15  Featuring Davidson Defense Upper Receiver  16.5" Mercury Precision 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel  Premium 15" Unique AR Handguard (Assembled or Unassembled) Part Number: PI-32378 This 5.56 Upper Offers Amazing Stopping Power And Accuracy Which Makes It The Perfect Option For An AR Rifle. We've Felt That This Amazing Blend Of Attributes Made This Kit Adaptable In Its Use And Ability To Be Used Anywhere Under Every Circumstance.
0
1 day ago
The M5 .308 Stripped Upper Receiver is the perfect upper for your big bore rifle build. Forged from 7075- T6 aluminum, this stripped upper is precision machined to accept standard .308 components. Match this with our M5 .308 lower receiver for a solid and dependable fit. Features: - M4 Feedramps - .2795 takedown pin holes - Lazer engraved T-marks - DPMS High Profile (.210) Tang Includes: - Blemished M5 .308 Stripped Upper Receiver in Anodized Black This product is blemished. Blemishes may include: - Plating inconsistencies - Pits - Scratches - Dents
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1 day ago
Radical's AR-15 MHR complete upper features a 18" stainless steel barrel, black hardcoat anodized receiver and 15" free- float Radical Firearms MHR (MLOK Hybrid Rail) handguard, and a stainless pepper pot muzzle brake. Type : Upper Receiver Caliber : 224 Valkyrie Sights : None, Optic Ready Barrel Length : 18" Barrel Material : 416 Stainless Steel Twist : 1:7" Barrel Description : Medium Contour Barrel Finish : Stainless Steel Receiver Description : Aluminum Alloy Receiver Finish : Black Hard Coat Anodized
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2 days ago
Item Number: 717250 Caliber: .300 AAC Blackout Barrel length: 16" medium-contour Barrel Material: 4150 chrome moly vanadium steel, Parkerized Upper receiver: Forged 7075-T6 Gas system: Pistol-length Handguard: M-LOK Muzzle device: Knight Stalker flash hider Mfg. Number: B2-K625-CF01
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2 days ago
The Stag 10 Stripped Upper Receiver includes a picatinny rail on the top with a Tang Height of .210 Compatibility: The Stag 10 Stripped Upper Receiver will work with our Stag 10 Upper Receiver Parts Kit or any DPMS upper parts kit. Our upper receiver has the same barrel nut threads as DPMS, accepts DPMS barrels, accepts Stag, Armalite and DPMS BCGS and Charging Handles. It also accepts standard AR Forward Assists. Once matched with our custom Stag Lower, Takedown Pin, Pivot Pin and Takedown Pin Detent, this assembly can be built using standard DPMS components. Specs
0
2 days ago
100-023-487WB AR-15 Upper Receiver Assembly 300Blk No BCG Cartridge: 300 AAC Blackout Finish: Black Style: Assembled Length: 16 Twist: 1-7 Description Specs Quick and Convenient 300 Blackout The Anderson Manufacturing 300 Blackout Complete Upper Receiver is a great way to quickly and conveniently build out, or change an existing AR-15 to shoot the popular 300 Blackout round. The 16” barrel has a 1-7 twist rate and a Phosphate Finish. The barrel utilizes a carbine length gas system with a .125 gas port, and has 5/8-24 threads with a 308 A2 Flash Hider.
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2 days ago , by Dealer
Ar15 Upper receiver, properly assembled.  Add a bcg/ch and you'll be ready to drop on your lower.  Features: - 10.5" 4150 CMV Barrel - 1/2-28 threads - Carbine gas tube - steel .750 gas block - a2 flash hider - 10" Free Floating MLok handguard - 7075-t6 mil spec aluminum upper, anodized black - dust cover, forward assist Item #: 10.5 223 upper mlokn
0
2 days ago
100-039-111WB AR-15 FM-45 5 45ACP Upper Receiver M-LOK Assembled Black Cartridge: 45 Auto (ACP) Finish: Black Style: Complete Length: 5" Muzzle: 5/8-24 Twist: 1-16 Description The Foxtrot Mike Products .45 ACP 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 .45 ACP Upper offers plenty of mounting space for optics and other accessories.
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2 days ago
Description PRODUCT DETAILS:  The War Dog Industries WRC-15 Advanced Lightweight Billet Upper and Lower set is precision cut from high strength billet 6061-T6 aerospace grade aluminum with an exceptionally lightweight design. Excess material has been removed wherever possible without reducing the integrity of the receivers, allowing this matched set to weigh in at just over 14 ounces. The lower is fully compatible with MIL-SPEC components. Featuring an integral enhanced trigger guard and receiver set tension set screw.
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2 days ago
Description Disclosure: Handguards will either be keymod or mlok depending on availability. If you have a preference, please leave in the comment at checkout and we will try to accommodate the request.  - 20″ Heavy Barrel - 416R Stainless steel - Parkerized Finish - 1:7 Twist - .224 Valkyrie Caliber - Rifle Length Gas System MPN#: ASM-15-224-20-001
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3 days ago
American Tactical AR-15 Upper 5.56 7.5" No BCG or Charging Handle 100% Made in USA and Assembled in Summerville, SC! This upper receiver assembly features a forged aluminum Mil-Sport AR-15 pattern upper receiver with a 7 ½” barrel with 1:7 button cut rifling and black nitride finish chambered for 5.56 NATO. Completed with a 7” aluminum free floated MLOK rail system over a pistol length low profile DGIS gas system and A2 style compensator. Fits to any AR-15 pattern lower receiver. - 5.56 NATO Caliber - 7 ½” Black Nitride Barrel - 7075-T6 Forged Aluminum Upper Receiver
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3 days ago
BUDGET BLASTER!!!  This is a no-frills 7.5" pistol upper.  Ready for your lightweight pistol build.  This design is great for a simple, yet effective, ar15 pistol. Lightweight, streamlined with no dust cover or forward assist for a lightweight pistol. 7.5" Upper Receiver for your Ar15 .223 Wylde 4150 Chrome Moly Barrel (shoots both 5.56 and .223)  Pistol gas system 7" Free Float Quad Rail M4 Feed Ramps 7075-T6 Aluminum Receiver  Lightweight Contour A2 Flash hider  Item #: 7.5sport
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3 days ago
This Foxtrot Mike AR-15 pistol caliber carbine complete upper receiver comes with a huge assortment of features and improvements that can’t be had if you build yours from the ground up. With the FM products .45 ACP AR upper receiver, you get the functionality of a non-reciprocating side charging handle instead of the traditional T-handle. Now you can charge the rifle while still on target without having to lower it from your shoulder. The upper receiver and handguard are a monolithic design with a proprietary lock system that ensures the rail won’t loosen over time.
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3 days ago
This complete, exclusive upper receiver group (URG) has been custom designed and built for OpticsPlanet! This URG features a 14.5 Cold Hammer Forged GOVT Profile barrel (1/7 twist) with a pinned and welded SUREFIRE 556 1/2-28 3 Prong Flash Hider (SF3P-556-1/2-28) to meet the NFA required 16 length. the handguard is the Daniel Defense MFR 13.5 M-LOK with a Milspec+ Cerekote Finish. The A4 complete upper comes with a M16 profile bolt carrier group and the Grip 'n Rip charging handle.
0
4 days ago
AR-15 builders, here's your chance to put together a quality rifle at a seriously affordable price. This ATI® Upper features a 16.13" barrel and free-floating M-LOK handguard that won't hinder accuracy. PLEASE NOTE: Bolt carrier group NOT included. Chambered for 5.56 NATO/.223 Remington 7075-T6 aluminum receiver 15" free-float M-LOK® handguard Low-profile gas block Forward assist and dust cover Includes charging handle Bolt carrier group not includedOrder today!
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4 days ago
Details Barrel Length: 18" Gas System: Mid-Length Barrel Profile: A2 Style Barrel Steel: 416R Stainless Steel Barrel Finish: Stainless Steel Chrome Lining: None Muzzle Thread: 5/8-24 Chamber: 308 WIN Twist Rate: 1:10 Barrel Extension: M4-style Diameter at Gas Block: .750 Gas Block Type: Low-profile 5 position click switch adjustable gas block Gas Tube: Black Nitride Gas Tube Muzzle Device: A2 Style Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: PA10 Handguard Type: PSA 15" M-Lok Free Float Rail with Anti-slip and anti-rotation features
0
4 days ago
Details Barrel Length: 10.5" Barrel Profile: A2 Gas System: Carbine-Length Barrel Steel: 4150 Chrome Moly Vanadium Barrel Finish: Phosphate 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 Aluminum Receiver Type: M4 Handguard Type: PSA 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
4 days ago
The AM-15 Stripped Upper Receiver with No Forward Assist or Dust Cover is machined from 7075 T6 Aluminum forging. Featuring M4 feed ramps, this upper receiver is machined to Military Specifications & Standards and can be used with multiple calibers on the AR-15 platform. This upper receiver comes in type III black hard coat anodize. This Upper Receiver does not have a forward assist or dust cover. Match this Upper with one of our Lower Receivers for a solid fit. FEATURES: Mil Spec, No Forward Assist or Dust Cover MATERIAL: 7075 T6 Aluminum Forging FINISH: Type 3 Hard Anodized, Black
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4 days ago
OverviewFeatures Aircraft-grade aluminum construction 7075 Forging Stress relieved, heat treated, aged twice and cryogenic treated Hard coat anodized, black per MIL-A-8625 TYPE III Class 2 Precision machined and finished by hand Bore coated with dry film lube over the anodized surface Compatible with all Mil-Spec AR-15 parts and accessories The MUR is a rigid Mil-Spec flat-top upper made to fit all AR15/M16 M4 rifles and carbines. The MUR was developed to give the customer a Mil-Spec correct upper receiver with a thicker wall, making the MUR upper receiver a stronger platform.
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4 days ago
SKU#: APAR700201C The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum and precision machined to work with all mil-spec AR15 parts. The M4E1 Threaded Upper Receiver is designed to pair perfectly with our new M4E1 Lower Receiver, giving you a billet looking receiver set at a fraction of the billet price. Features:
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4 days ago
Quick Overview SKU: 5165448932 UPC: 5165448932 MFR#: 5165448932 - Barrel Length: 16" - Gas System: Pistol Length - Barrel Profile: Heavy - Barrel Steel: 4150V Chrome Moly Vanadium - Barrel Finish: Nitride - Chrome Lining: None - Muzzle Thread: 5/8-24 - Chamber: 300 AAC Blackout - Twist Rate: 1 in 8" - 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" Lightweight M-Lok Rail Partial Picatinny Free Float
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4 days ago
RF UPPER ASSEMBLY 11.5" 5.56 AA CONTOUR 1:7 TWIST, 10" FGR RAIL, A2 FLASH HIDER Specifications for Radical Firearms 11.5in 5.56 AR15 Upper Receiver Assembly w/FGR Rail: Color: Black Caliber: 5.56x45mm NATO Overall Length: 11.5 in Gun Type: Rifle Gun Model: AR-15
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4 days ago , by Dealer
100-024-844WB AR-15 FM-9 10.5" 9mm Upper Receiver M-LOK Assembled Black Cartridge: 9 mm Luger Finish: Black Style: M-LOK Length: 10.5 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.
5
4 days ago
The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum and precision machined to work with all mil-spec AR15 parts. The M4E1 Threaded Upper Receiver is designed to pair perfectly with our new M4E1 Lower Receiver, giving you a billet looking receiver set at a fraction of the billet price. Features:
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4 days ago
SKU: 5165491621 UPC: 5165491621 MFR#: 5165491621 Barrel Length: 7.5" Barrel Profile: Pistol 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: A2 Bird Cage Receiver Material: Forged 7075 T6 Receiver Type: M4 Handguard Type: PSA 6" Lightweight M-Lok Bolt Carrier Group Included: Yes Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full-auto
0
5 days ago
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.
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5 days ago
Davidson Defense "Tare"  AR-15 Pistol Or SBR Upper Receiver  14.5" 5.56 NATO 4150 CMV 1-7T Barrel  Premium Carbine Length Drop-In Handguard (Assembled or Unassembled) This 5.56 Upper Offers Amazing Stopping Power And Accuracy Which Makes It The Perfect Option For An AR Pistol Or SBR. We've Felt That This Amazing Blend Of Attributes Made This Kit Adaptable In Its Use And Ability To Be Used Anywhere Under Every Circumstance. Built On A Davidson Defense Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.
0
6 days ago
It's only about $10 - $20 below MSRP, but, it's also in-stock so I thought that might make it a "deal." If not, feel free to downvote - doesn't hurt my feelz. *** DOES NOT INCLUDE BCG/CH. SOLD SEPARATELY *** Includes: M4E1 Threaded Assembled Upper Receiver ATLAS S-ONE Handguard of choice 16" .223 Wylde Mid-Length Stainless Steel Barrel Low Profile Gas Block and Mid-Length Gas Tube Product comes assembled M4E1 Threaded Upper Receiver Features: New enhanced forging that gives the upper receiver a "billet look"
0
6 days ago
Our state of the art M5E1 platform starts here, with the M5E1 Upper Receiver. The M5E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering, we have condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting surface and upper are of the same forging, not only is it a stronger system, but we are able to make additional lightening cuts to save weight and allow for more efficient cooling.
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6 days ago
This .22LR / 9mm upper receiver assembly is made from forged 7075-T6 aluminum and is finished in armor black cerakote. comes in a slick side configuration and the ejection port door is sized for 9mm and 22LR. The brass deflector is kept in place to help protect you face from gas blow back. .22LR and 9mm AR builds both use direct blow back, which creates more gas to the face than usual. Although the brass deflector is not necessary for these two calibers, it helps mitigate gas to the face. Cerakoted in Armor Black, which has a slightly gray hue when compared to Anodized products.
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6 days ago , by Dealer
AR-15 .224 Valkyrie 22″ fluted stainless steel upper assembly The Moriarti Armaments AR-15 .224 Valkyrie 22″ fluted stainless steel upper assembly comes complete with a MATCH GRADE Stainless Steel 416R Barrel, low profile Steel .750 Gas Block with Nitride Finish and a Stainless Steel Gas tube. Upper is finished off with a rifle length Free Float rail of your choice, Ultra Slim Line Keymod, MLOK Handguard or Quadrail with picatinny top rail. 
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6 days ago , by Dealer
12.5 inch AR-15 5.56 NATO Mid Length Upper Assembly with a Kak Industry 12.5 inch 5.56 NATO 1/7 twist Melonite Barrel, Milspec Upper Receiver, 15 inch M-LOK Handguard, Low Profile Gas Block and Kak Industry Flash Can. Optional: BCG/CH, Adjustable Gas block. All quality parts.
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1 week ago
100-018-030WB MK18 Stripped SOCOM Upper Receiver w/ Handguard Only Cartridge: 5.56 mm NATO Style: Stripped Contour: Government Length: 10.3 Twist: 1-7 View All Dream Guns® Description Specs Daniel Defense manufactures the highest quality complete AR-15 upper receivers on the market today! Every Daniel Defense upper is painstakingly hand assembled, quality assurance tested, and test fired to ensure that the highest quality product makes it to the hands of customers.
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Brownells 34607
1 week ago
Looking to get started on your next M4 build? Look no further. This Anderson Complete Upper is built around a forged 7075-T6 upper receiver and 16" M4-profile barrel with 1:8" twist. The Upper is compatible with standard multi-cal lower receivers, and comes standard with an ambidextrous charging handle and bolt carrier group.
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1 week ago
Davidson Defense "Kether"  AR-15 Upper Receiver  16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel  Premium 12.5" Quad Rail Handguard (Assembled or Unassembled) This 5.56 Upper Offers Amazing Stopping Power And Accuracy Which Makes It The Perfect Option For An AR Rifle. We've Felt That This Amazing Blend Of Attributes Made This Kit Adaptable In Its Use And Ability To Be Used Anywhere Under Every Circumstance.
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1 week ago
Description - FEATURES: Mil Spec, Standard - MATERIAL: 7075 T6 Aluminum Forging - FINISH: Type 3 Hard Anodized, Black - COMPATIBILITY: AR-15 Caliber - TREATMENT: Non RF85 - ADDITIONAL NOTES: None MPN#: REC-15-223-00-002
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1 week ago
Davidson Defense "Streator"  AR-15 Upper Receiver 16" 6.5 Grendel 416R Stainless 1-8T Barrel  Premium 15" M-Lok Handguard (Assembled or Unassembled) This 6.5 Grendel Kit Was Engineered For Light-weight Top Performance And Incredible Accuracy, It Features Some Of Our Most Tried And True Parts, Ensuring You Get A Build That Will Last And Perform To The Highest Standards, All At A Price That Is Totally Unrivaled. Built On A Davidson Defense Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.
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1 week ago
Davidson Defense "Peat"  AR-15 Upper Receiver  16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel  Premium 15" M-Lok Handguard (Assembled or Unassembled) This 5.56 Upper Offers Amazing Stopping Power And Accuracy Which Makes It The Perfect Option For An AR Rifle. We've Felt That This Amazing Blend Of Attributes Made This Kit Adaptable In Its Use And Ability To Be Used Anywhere Under Every Circumstance. Built On A Davidson Defense Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.
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1 week ago
100-025-502WB AR-15 Assembled Upper Receiver 16 Mid-Length w/ FSB Cartridge: 5.56 mm NATO Finish: Black Style: Assembled Length: 16 Military-Style Carbine Upper With Enhanced Reliability This AR-15 5.56mm 16" Mid-Length Upper Receiver from Aero Precision replicates the standard military M4 upper with one important addition. It has a longer, mid-length gas system that helps slow gas velocity for improved reliability in cycling (over the standard carbine gas system). You get same form-factor as an M4 with reduced risk of M4-type reliability problems.
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1 week ago
More than 200 AR-15 Stripped or Complete Upper Receivers In Stock Now!
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Wikiarms.com 10785