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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 -
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 -
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 .223...$409.95 -
Faxon Firearms Ascent 10.5" 5.56 Barrel Upper Receiver
Faxon Firearms
$425.00Faxon 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...$425.00 -
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 -
Aero Precision AR15 Assembled Upper Receiver - Sniper Grey Cerakote
Aero Precision
MSRP: $160.00$144.99Aero Precision AR15 Assembled Upper Receiver - Sniper Grey Cerakote The AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this...MSRP: $160.00$144.99 -
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 -
Midwest Industries 16" .223 Wylde Lightweight AR 15 Upper
Midwest Industries
$589.95Midwest Industries 16" .223 Wylde Lightweight AR 15 Upper The Midwest Industries 16" .223 Wylde Lightweight AR 15 Upper is a top-of-the-line upgrade for your firearm. Crafted with precision and...$589.95 -
Forward Controls Design URFv3 Billet Upper Receiver
Forward Controls Design
MSRP: $240.00$228.00Forward Controls Design URFv3 Billet Upper Receiver URF v3 is a follow on development of URF-B v2, and will replace URF-B, v2 as we ramp up production. Functionally, v3 and v2 share the same...MSRP: $240.00$228.00 -
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 -
Aero Precision M5 (.308) Assembled Upper Receiver - Sniper Grey Cerakote
Aero Precision
MSRP: $235.00$195.95Aero 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$195.95 -
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 -
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 -
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 -
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 -
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 -
Dirty Bird 10.5″ Government Carbine 5.56 M-LOK Upper Assembly
Dirty Bird Industries
MSRP: $444.95 - $464.95$400.95 - $418.95This Dirty Bird Industries Complete Upper features a Black Nitride 10.5” Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier Forged Upper Receiver and finished...MSRP: $444.95 - $464.95$400.95 - $418.95 -
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 -
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 -
10.5″ 5.56 Gov / SOCOM Carbine M-LOK Upper Assembly
Black Rifle Depot
MSRP: $329.95$299.9510.5″ 5.56 Gov / SOCOM Carbine M-LOK Upper Assembly The 10.5″ 5.56 Gov/SOCOM Carbine M-LOK Upper Assembly is crafted with top-tier components to ensure flawless performance. Built on a...MSRP: $329.95$299.95 -
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 -
Centurion Arms CM4 5.56 Forged AR-15 Upper Receiver
Centurion Arms
MSRP: $115.00Now: $93.46Was: $109.95The Centurion Arms CM4 Forged AR-15 Upper Receiver is designed to be compatible with any Mil-Spec Lower. It is forged from 7075-T6 aluminum and is Type III Class 2 hardcoat anodized black to military...MSRP: $115.00Now: $93.46Was: $109.95 -
Surplus Complete Lower Parts Kit
Black Rifle Depot
MSRP: $59.00$39.95Surplus Complete Lower Parts Kit The Surplus complete lower parts kit is a mil-spec or better LPK with well-machined components. Technical Specs 31 piece set to complete a lower. Machined parts, no...MSRP: $59.00$39.95 -
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 -
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 -
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 -
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 -
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 -
Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length - ATLAS R-ONE - 14.5" - FDE
Aero Precision
MSRP: $680.00$588.95Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length - ATLAS R-ONE - 14.5" - FDE This complete upper includes our new ATLAS R-ONE Handguard! The R-ONE handguards are designed with...MSRP: $680.00$588.95 -
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 -
16″ 5.56 NATO Pencil Midlength Lightweight M-LOK Upper Assembly
Black Rifle Depot
MSRP: $334.95$299.9516″ 5.56 NATO Pencil Midlength Lightweight M-LOK Upper Assembly A quality upper assembly without cutting corners. This means starting with a top tier mil-spec forged upper receiver, using a...MSRP: $334.95$299.95 -
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 -
16″ 5.56 HBAR Fluted Stainless Midlength M-LOK Upper Assembly
Black Rifle Depot
MSRP: $399.99$354.9516″ 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...MSRP: $399.99$354.95 -
Bootleg 5.56 Phosphate Complete Bolt Assembly
Bootleg Inc.
$79.95Bootleg 5.56 Phosphate Complete Bolt Assembly Whether you're looking to complete your Bootleg, Inc. AR 15 Carrier or you like to keep extra parts on hand, this carrier completion kit has what you...$79.95 -
Daniel Defense M16 Cut Complete AR-15 Bolt Carrier Group
Daniel Defense
$228.00Daniel Defense M16 Cut Complete AR-15 Bolt Carrier Group The Daniel Defense M16 Cut Complete Bolt Carrier Group is a MIL-SPEC, full auto compatible, M16 profile bolt carrier group assembly. The 8620...$228.00 -
10.5″ Slick Side Billet 5.56 Nitride Carbine M-LOK Upper Assembly
Black Rifle Depot
MSRP: $299.95$249.9510.5″ Slick Side Billet 5.56 Nitride Carbine M-LOK Upper Assembly A quality upper assembly without cutting corners. This means starting with a top tier mil-spec forged upper receiver, using a...MSRP: $299.95$249.95 -
Premium 16″ .223 Wylde Government Midlength Superlight M-LOK Upper Assembly
Black Rifle Depot
MSRP: $349.95$314.95Premium 16″ .223 Wylde Government Midlength Superlight M-LOK Upper Assembly A quality upper assembly without cutting corners. This means starting with a top tier mil-spec forged upper receiver,...MSRP: $349.95$314.95 -
16" .223 Wylde Gov Mid M-LOK Upper Assembly Black
Black Rifle Depot
MSRP: $329.95$319.9516" .223 Wylde Gov Mid M-LOK Upper Assembly Black The 16" .223 Wylde Gov Mid M-LOK Upper Assembly Black is engineered for reliability and performance without cutting corners. Starting with a top-tier...MSRP: $329.95$319.95 -
7.5" Slick Side Billet 5.56 Nitride Pistol M-LOK Upper Assembly
Black Rifle Depot
MSRP: $279.95$259.957.5" Slick Side Billet 5.56 Nitride Pistol M-LOK Upper Assembly An affordable pistol upper assembly without cutting corners. This means using quality American Made handguards, and upper receivers,...MSRP: $279.95$259.95 -
Dirty Bird ACCU-Wedge for AR-15 - Fixes Upper / Lower Receiver Slop
Dirty Bird Industries
MSRP: $5.95$4.95Dirty Bird ACCU-Wedge for AR-15 - Fixes Upper / Lower Receiver Slop Prevent Unwanted Movement Between the Upper and Lower Receiver A quick and easy way to improve the fit of your AR upper and lower...MSRP: $5.95$4.95