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Out of stock
Aero Precision M4E1 Threaded Assembled Upper Receiver - OD Green
Aero Precision
MSRP: $195.00$162.95Aero Precision M4E1 Threaded Assembled Upper Receiver - OD Green The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this...MSRP: $195.00$162.95 -
Out of stock
Aero Precision AR-15 Assembled Upper Receiver - Burnt Bronze
Aero Precision
MSRP: $160.00$134.95Aero Precision AR-15 Assembled Upper Receiver - Burnt Bronze The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this...MSRP: $160.00$134.95 -
Dirty Bird 10.5" Government Carbine 5.56 M-LOK Upper Assembly
Dirty Bird Industries
MSRP: $444.95 - $464.95$400.95 - $418.95Dirty Bird 10.5" Government Carbine 5.56 M-LOK Upper Assembly This Dirty Bird Industries Complete Upper features a Black Nitride 10.5" Government Profile barrel chambered in 5.56 with a 1:7 twist...MSRP: $444.95 - $464.95$400.95 - $418.95 -
Out of stock
Faxon Firearms Ascent 10.5" 5.56 Barrel Upper Receiver
Faxon Firearms
MSRP: $425.00$391.00Faxon Firearms Ascent 10.5" 5.56 Barrel Upper Receiver The Faxon Firearms Ascent 10.5" 5.56 Barrel Upper Receiver is the ultimate solution for those seeking to upgrade or build a high-performance...MSRP: $425.00$391.00 -
Out of stock
Aero Precision AR15 M4E1 Enhanced Upper Receiver - FDE Cerakote
Aero Precision
MSRP: $240.00$199.95Aero Precision AR15 M4E1 Enhanced Upper Receiver - FDE Cerakote The state of the art M4E1 platform starts here, with the M4E1 Upper Receiver. The M4E1 upper receiver is a one-piece design combining...MSRP: $240.00$199.95 -
Out of stock
Wilson Combat AR-15 Assembled Billet Upper Receiver
Wilson Combat
MSRP: $283.90$229.95Wilson Combat AR-15 Assembled Billet Upper Receiver Next-Generation Precision and Durability The Wilson Combat AR-15 Assembled Billet Upper Receiver is expertly engineered for precision and strength,...MSRP: $283.90$229.95 -
VLTOR MUR Pistol Caliber Upper Receiver With Gas Deflector
VLTOR Weapons Systems
MSRP: $197.95$178.95VLTOR MUR Pistol Caliber Upper Receiver With Gas Deflector The Vltor Pistol Caliber Carbine Modular Upper Receiver (MUR) is a unique AR-15 Flat-Top upper receiver that undergoes a rigorous quality...MSRP: $197.95$178.95 -
Out of stock
Stag Arms A3 Flattop Left-Handed Upper Receiver Assembly
Stag Arms
MSRP: $139.95 - $154.99$129.95 - $149.95Stag Arms A3 Flattop Left-Handed Upper Receiver Assembly The Stag Arms A3 upper receiver assembly is our very first Left-Handed upper receiver, available on ar15discounts.com. It is made to...MSRP: $139.95 - $154.99$129.95 - $149.95 -
Out of stock
Dirty Bird AR-10 Billet Stripped Upper Receiver
Dirty Bird Industries
MSRP: $189.95 - $219.95$169.95 - $197.95Dirty Bird AR-10 Billet Stripped Upper Receiver The Dirty Bird AR-10 Billet Upper Receiver is the perfect choice for your next AR-10 build. Precision-machined from 7075-T6 Billet aluminum on...MSRP: $189.95 - $219.95$169.95 - $197.95 -
Out of stock
Aero Precision M5 (.308) Assembled Upper Receiver - Sniper Grey Cerakote
Aero Precision
MSRP: $235.00$199.95Aero Precision M5 (.308) Assembled Upper Receiver - Sniper Grey Cerakote The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from...MSRP: $235.00$199.95 -
Out of stock
Centurion Arms C4 5.56 Billet AR-15 Upper Receiver
Centurion Arms
MSRP: $200.00$190.00The Centurion Arms C4 Billet AR-15 Upper Receiver is designed to be used with the C4 Billet Lower. It is machined from a solid block of 7075-T6 aluminum and is Type III Class 2 hardcoat...MSRP: $200.00$190.00 -
Dirty Bird AR-15 Stripped Upper Receiver
Dirty Bird Industries
MSRP: $79.95 - $109.95$71.95 - $109.95Dirty Bird AR-15 Stripped Upper Receiver Builders know that not all mil-spec forged upper receivers are created equal. Sub-par forgings suffer from pitting and structural defects, poor...MSRP: $79.95 - $109.95$71.95 - $109.95 -
Out of stock
Wilson Combat AR-10 Assembled Billet Upper Receiver
Wilson Combat
$269.95Wilson Combat AR-10 Assembled Billet Upper Receiver Receiver, Upper, WC10 Billet, Lightweight, Anodize, Assembly Crafted with the utmost attention to detail in our Berryville, AR shop and designed by...$269.95 -
Wilson Combat AR-10 Stripped Billet Upper Receiver
Wilson Combat
MSRP: $267.95$259.95Wilson Combat AR-10 Stripped Billet Upper Receiver Engineered for Precision and Strength The Wilson Combat AR-10 Stripped Billet Upper Receiver is the cornerstone for crafting the ultimate precision...MSRP: $267.95$259.95 -
Out of stock
Battle Arms Development 5.56 Caliber Lightweight Upper Receiver
Battle Arms Development
$259.95Battle Arms Development 5.56 Caliber Lightweight Upper Receiver Specifications: Precision CNC from Billet 7075-T6 Aerospace Aluminum Patent Pending Lightweight Design M4 Feed Ramp Machined...$259.95 -
Out of stock
Forward Controls Design URFv3 Billet Upper Receiver
Forward Controls Design
MSRP: $240.00$228.95Forward Controls Design URFv3 Billet Upper Receiver Enhanced Functionality and Precision Engineering The Forward Controls Design URFv3 Billet Upper Receiver is the next evolution in upper receivers,...MSRP: $240.00$228.95 -
Dirty Bird 13.7" Government Midlength .223 Wylde M-LOK V3 Upper Assembly - D107
Dirty Bird Industries
$409.95Dirty Bird 13.7" Government Midlength .223 Wylde M-LOK V3 Upper Assembly This Dirty Bird Industries Complete Upper** features a Dirty Bird Midlength Sub-MOA 416R Medium Profile barrel chambered in ...$409.95 -
Out of stock
ZEV Technologies Upper Parts Kit for Glock 9MM
Zev Technologies
$150.10ZEV Technologies Upper Parts Kit for Glock 9MM The ZEV Technologies Glock Upper Parts Kit comes with all the compatible parts to finish your Glock Gen 1-4 Upper Slide. ZEV created the market for...$150.10 -
Out of stock
Aero Precision AR15 Assembled Upper Receiver - OD Green Anodized
Aero Precision
$140.00Aero Precision AR15 Assembled Upper Receiver - OD Green Anodized This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black...$140.00 -
AR-15 Left Handed Slick Side Billet Upper Receiver
Black Rifle Depot
MSRP: $109.99$99.95AR-15 Left Handed Slick Side Billet Upper Receiver The Left-Handed Slick Side Billet Upper Receiver is a quality, American made billet upper featuring a unique design that sets it apart from...MSRP: $109.99$99.95 -
Out of stock
Midwest Industries AR-10/.308 Upper Receiver Rod
Midwest Industries
MSRP: $157.95$146.95Midwest Industries AR-10/.308 Upper Receiver Rod Versatile Tool for AR-10 and LR .308 Upper Receiver Maintenance The Midwest Industries AR-10/.308 Upper Receiver Rod is an essential tool for AR-10...MSRP: $157.95$146.95 -
Out of stock
Dirty Bird AR-15 Cerro Forged Stripped Upper Receiver
Dirty Bird Industries
MSRP: $79.95 - $119.95$71.95 - $107.95Dirty Bird AR-15 Cerro Forged Stripped Upper Receiver The Dirty Bird Industries AR-15 Cerro Forged Stripped Upper Receiver is precision machined to M16/M4 Mil-Spec using top quality Cerro...MSRP: $79.95 - $119.95$71.95 - $107.95 -
Out of stock
Bootleg Inc Enhanced Lightweight AR-15 Assembled Upper Receiver
Bootleg Inc.
MSRP: $189.95$183.95Bootleg Inc Enhanced Lightweight AR-15 Assembled Upper Receiver Due to the forging house cutting us out we are now releasing a new Bootleg Upper Receiver. Machined out of 7075 Billet Aluminum,...MSRP: $189.95$183.95 -
Out of stock
16" 5.56 HBAR Fluted Stainless Midlength M-LOK Upper Assembly
Black Rifle Depot
MSRP: $399.99$345.9516" 5.56 HBAR Fluted Stainless Midlength M-LOK Upper Assembly The 16" 5.56 HBAR Fluted Stainless Midlength M-LOK Upper Assembly is crafted for quality and reliability without cutting corners...MSRP: $399.99$345.95 -
Out of stock
16" M4 Carbine 1:8 M-LOK Upper Assembly - Black
Black Rifle Depot
MSRP: $329.95$249.9516" M4 Carbine 1:8 M-LOK Upper Assembly - Black A quality upper assembly without cutting corners. This means starting with a top tier mil-spec forged upper receiver, using a nitrided steel gas block...MSRP: $329.95$249.95 -
Dirty Bird AR-15 Upper Receiver Parts Kit
Dirty Bird Industries
MSRP: $19.95$17.95Dirty Bird AR-15 Upper Receiver Parts Kit Includes: Forward Assist Assembly Forward Assist Spring Forward Assist Roll Pin Ejection Port Cover Door Ejection Port Cover Rod with c-clip Ejection Port...MSRP: $19.95$17.95 -
Ergo AR-15 Upper 5-PC Spring Replacement Kit 4611
Ergo Grip
MSRP: $6.99$6.25Ergo AR-15 Upper 5-PC Spring Replacement Kit ERGO's 5 Piece AR Upper Receiver Spring Replacement Kit. Top quality parts for your build. 5 Piece AR Upper Receiver Spring Replacement Kit includes the...MSRP: $6.99$6.25 -
Out of stock
Aero Precision AR15 XL Stripped Upper Receiver - FDE Cerakote
Aero Precision
MSRP: $130.00$106.95Aero Precision AR15 XL Stripped Upper Receiver - FDE Cerakote Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications. Match this upper with one of...MSRP: $130.00$106.95 -
Out of stock
Aero Precision M4E1 Threaded Barreled Upper 5.56 Carbine Length ATLAS R-One - 16"
Aero Precision
MSRP: $645.00$559.95Aero Precision M4E1 Threaded Barreled Upper 5.56 Carbine Length ATLAS R-One - 16" This Aero Precision M4E1 Threaded upper receiver group comes completely assembled with 16” 5.56 barrel and the...MSRP: $645.00$559.95 -
Out of stock
Aero Precision EPC-9 Threaded 8.3" 9mm Barreled Upper Receiver w/ ATLAS R-ONE 7.3" Handguard
Aero Precision
MSRP: $510.00$436.95Aero Precision EPC-9 Threaded 8.3" 9mm Barreled Upper Receiver w/ ATLAS R-ONE 7.3" Handguard This EPC-9 Complete Upper Receiver comes standard with our ATLAS R-ONE Handguard. The R-ONE...MSRP: $510.00$436.95 -
On Sale
Sport 16" 5.56 Gov / SOCOM Midlength M-LOK Upper Assembly
Black Rifle Depot
MSRP: $323.95Now: $199.95Was: $299.95Sport 16" 5.56 Gov / SOCOM Midlength M-LOK Upper Assembly Superior Craftsmanship for Reliable and Accurate Shooting Upgrade your AR-15 with this top-tier upper assembly, designed for shooters who...MSRP: $323.95Now: $199.95Was: $299.95 -
Out of stock
VLTOR MUR Modular Upper Receiver W/O Bolt Assist - Black
VLTOR Weapons Systems
$197.95VLTOR MUR Modular Upper Receiver W/O Bolt Assist - Black The Vltor Modular Upper Receiver (MUR) is a unique AR-15 Flat-Top upper receiver that undergoes a rigorous quality control procedure during...$197.95 -
Out of stock
Battle Arms BAD556-LW Lightweight 7075-T6 Billet Upper Receiver
Battle Arms Development
MSRP: $259.95$239.95Battle Arms BAD556-LW Lightweight 7075-T6 Billet Upper Receiver The Battle Arms Lightweight Upper Receiver is machined from 7075-T6 aircraft grade aluminum, utilizing a patent pending lightweight...MSRP: $259.95$239.95 -
UTG PRO Mil-Spec 7075T6 Forged Carry Handle Sight
Leapers / UTG
MSRP: $99.97$94.97UTG PRO Mil-Spec 7075T6 Forged Carry Handle Sight The UTG PRO US Made Mil-spec 7075 T6 AR15 Forged Carry Handle is a Fixed Rear A2 Sight that is not a low quality metal Chinese import. It will make...MSRP: $99.97$94.97 -
Out of stock
Daniel Defense 5.56 NATO 11.5" 1:7 Contract Overrun Upper Receiver w/DD4 7.0 Handguard
Daniel Defense
MSRP: $1,099.00$899.00Daniel Defense 5.56 NATO 11.5" 1:7 Contract Overrun Upper Receiver w/DD4 7.0 Handguard The Contract Overrun upper receiver group is built for maximum maneuverability with its 11.5" Government-profile...MSRP: $1,099.00$899.00 -
Out of stock
New Frontier AR-15 G-4 Slick Side Billet Upper Receiver
New Frontier Armory
MSRP: $118.99$112.00Model: G-4 Billet "Slick Side" (Gen 2) Upper Receiver Caliber: Multi Other Specifications and Features of the G-4 Billet "Slick Side" (Gen 2) Upper Receiver: Machined from 7075 T6 aircraft...MSRP: $118.99$112.00 -
Out of stock
16" 300 BLK Nitride Carbine M-LOK Upper Assembly
Black Rifle Depot
MSRP: $319.95$284.9516" 300 BLK Nitride Carbine M-LOK Upper Assembly A quality 300 BLK upper assembly without cutting corners. This means starting with a top tier mil-spec forged upper receiver, using a nitrided steel...MSRP: $319.95$284.95 -
ZEV Technologies Pro Upper Parts Kit for Glock 9MM
Zev Technologies
$154.84ZEV Technologies Pro Upper Parts Kit for Glock 9MM The ZEV Technologies Glock Pro Upper Parts Kit comes with all the compatible parts to finish your Glock Gen 1-4 Upper Slide. The Zev Glock Pro kit...$154.84 -
Out of stock
Battle Arms Workhorse 16" 5.56 NATO Upper Assembly (No BCG No CH)
Battle Arms Development
MSRP: $529.99$499.99Battle Arms Workhorse 16" 5.56 NATO Upper Assembly (No BCG No CH) Specifications: Barrel Length: 16in Gas System: Midlength Barrel Profile: A2 Barrel Steel: 4150 Chrome-Moly Vanadium Barrel Finish:...MSRP: $529.99$499.99 -
Cross Machine Tool Ultra Precision Stripped AR-15 Billet Upper Receiver
Cross Machine Tool
MSRP: $209.00$198.00Cross Machine Tool Ultra Precision Stripped AR-15 Billet Upper Receiver Cross Machine Tool Co., utilizing the latest machining technologies, offers high quality products that you’ll be excited...MSRP: $209.00$198.00