Shop 4,464 Deals on Upper Receivers

Sons of Liberty Gun Works M4-76 Complete Upper M476UPPER-16-556, 223 Remington/556NATO, 16 in Combat Barrel

Andro Corp Industries 10.5in 5.56 NATO M-LOK Upper Receiver w/Flash Hider No BCG/Charging Handle Black

Guntec USA AR-15 Stripped Billet Upper Receiver 15 in Air Lite Series Honeycomb M-LOK Handguard Combo Set Anodized Purple

FORGED AR-15 STRIPPED UPPER RECEIVER

PSA AK-101 AKM Fixed Barreled Receiver - Furniture Ready Kit

Dark Storm Industries DS-15 Stripped Billet Upper Receiver Black .458 SOCOM

Cross Machine Tool UPUR-3 Big Bore Billet AR-15 Upper Receiver - Slick Side No Dust Cover

USED ODIN Works Billet Upper Receiver FDE UPPER-ODIN-BILLET-1-FDE

Quarter Circle 10 Side Charging Upper Receiver Pistol Caliber AR-15 Black Anodized

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 10.5in Black Inch

No Brand BC-15 6mm Arc Right Side Charging ODC Cerakote Upper 18" Parkerized Heavy Barrel Mid-length Gas System 1:8

No Brand BC-15 .300 Blackout Right Side Charging Tungsten Cerakote Upper 16" 416R SS Heavy Barrel 1:8 Twist Carbine

No Brand BC-10 .308 Right Side Charging ODG Cerakote Upper 16" Parkerized Heavy Barrel 1:10 Twist Mid-Length Gas System

CBC Industries Unassembled Pistol Kit 5 in 5.56 Nato Black

Complete AR10 Upper- 22 Creedmoor, 18" Hunter profile, 15" MLOK

COMPLETE AR15 UPPER RECEIVER FOR 458 SOCOM- MODIFIED

Moriarti Complete Upper Receiver AR-15 5.56 Nato 10.5 inch Barrel Government Contour Carbine Length 1x7 Twist 1/2X28 Thread M-LOK Handguard Mini

EDEMO Stag Arms AR-10 Stag 10 Upper Receiver Stripped .210 DPMS High Profile Left Hand Cerakote FDE EDEMO1 Used Condition Fair

EDEMO Stag Arms AR-15 A3 Flattop Upper Receiver Assembly Direct Impingement Type 3 Hard Coat Anodized Left Hand Black EDEMO7 Used Condition

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 16 inch Barrel Mil-Spec Rear Charge Black

R&D Precision Billet Upper Receiver AR 15. 9mm Black Small

DEMO R&D Precision PW9 9mm Gen 1 Bufferless Upper Kit Black

DEMO SOLGW L89 UPPER 556 11.5 V2

Iron Horse DMR Complete Upper 5.56 NATO Receiver Black