Shop 1,690 Deals on Complete Uppers

KAK Complete AR15 Upper Receiver - 9mm - 5.25" Barrel -4" MLOK

KAK Complete AR15 Upper Receiver - 9mm - 11" Barrel - 9.8" MLOK

Complete AR15 Upper- Bravo Mount, 5.56, 13.9" Pin/Weld (16" OAL)

Complete AR15 Upper Receiver - 5.56 - 16" Barrel Mid Gas - 15" MLOK

Complete AR15 Upper Receiver - 5.56 - 10.5" Barrel - 9.8" MLOK - Pinned 6" FH

KAK Complete AR10 Upper Receiver 358 Win, 16" Barrel, Mid Gas, 15" MLOK

Complete AR10 Upper Receiver- 308, 10.5" Barrel- 9.8" MLOK

Complete AR15 Upper- Bravo Mount, 7.62x39, 13.9" Pin/Weld (16" OAL)

KAK Complete AR15 Upper Receiver - 9mm - 8" Barrel -7.2" MLOK

Complete Upper Receiver - 5.56 - 12.5" Barrel Mid Gas- 9.8" MLOK - Pinned and Welded

KAK Complete AR15 Upper Receiver - 9mm - 16" Barrel - 13" MLOK

Complete AR15 Upper Receiver - 7.62x39 - 4.75" Barrel, 4" MLOK

Complete AR15 Upper Receiver - 300 Blackout - 13.9" Barrel - 13" MLOK

KAK Complete AR10 Upper Receiver - 243 Winchester - 19" Barrel, 15: MLOK

CLOSEOUT 300 WSM Complete Upper 19" KEYMOD VERSION

KAK Complete Upper- AR10, 308 Win, 18" Barrel, Rifle Gas System, 15" MLOK

CLOSEOUT 300 WSM Complete Upper 19"

KAK Complete AR15 Upper Receiver - 300 Blackout - 13.9" Barrel - 13" MLOK - 4 Prong Pin and Weld

Complete AR10 Upper Receiver- 308, 12.5" Barrel- 9.8" MLOK

PSA AR-15 16" Mid-Length 5.56 NATO 1:7 Nitride Classic Upper No BCG & CH, FDE

BLEM Harrington & Richardson Early 604 Style Slick Side 20" Upper, Black

PSA AR-15 16" Midlength 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok Upper W/BCG, CH, & MBUS Sight Set

PSA AR-15 Rifle Kit 5.56 16" 1:7 Mid-Lgth Nitride 13.5" LTWT M-Lok MOE w/ MBUS Sights

PSA AR-15 10.5" 5.56 NATO 1/7 Phosphate 12" Lightweight Hex M-Lok MFT Battlelink Pistol Kit W/MBUS Sight Set & Holosun Red Dot