Shop 771 Deals on 5.56×45mm NATO Complete Uppers

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

PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" LTWT M-Lok Upper w/o BCG&CH

Harrington & Richardson Retro 604 "Air Force" Complete Upper Receiver, Black 1/7 Twist

PSA "Sabre" Forged 13.7" FN CHF CL Mid-Length 5.56 with 13" Sabre Lock Up Rail and JMAC GFHC-E Pin and Weld

PSA "Sabre" Forged 14.5" Mid-Length 5.56 FSB w/ 13.75" Two-Piece Quad Rail & Surefire Warcomp

PSA "Sabre" Forged 13.7" 5.56 FN CHF CL Mid-Length Nitride 13" Knurled Slant Rail and SilencerCo ASR - Long Pin and Weld

BLEM Harrington & Richardson Retro M16A1 20" AR-15 Upper 5.56 1:12 Rifle Length, Black

PSA AR-15 10.5" 5.56 NATO 1/7 Phosphate 12" Lightweight Hex M-Lok MOE EPT SBA3 Pistol Kit W/ MBUS Sight Set & Romeo MSR

PSA AR-15 10.5" 5.56 NATO 1/7 Nitride Classic Upper No BCG & CH

PSA "Sabre" Forged 14.5" Mid-Length 5.56 FSB w/ 13.75" Two-Piece Quad Rail & Huxwrx Flash Hider

PSA 10.5" Carbine-Length 5.56 NATO 1/7 Phosphate 12" Lightweight Slant Hex M-Lok MOE+ EPT SBA3 Pistol Kit

PSA "Sabre" Forged 13.7" FN CHF CL 5.56 with 13" Sabre QD rail Midnight Bronze and SilencerCo ASR - Long Pin and weld - **CERAKOTE Smoke Upper***

PSA "Sabre" Forged 14.5" Mid-Length 5.56 FSB w/ 13.75" Two-Piece Quad Rail & AAC 51T Flash hider

PSA 10.5" 5.56 NATO 1/7 Nitride 12" Lightweight Hex M-Lok MOE EPT SBA3 Pistol Kit

PSA 10.5" 5.56 NATO 1/7 Nitride Classic Upper w/BCG, CH, & Carry Handle

PSA AR-15 16" Mid-Length 5.56 NATO 1:7 Nitride 13" Lightweight Hex M-Lok Upper W/ BCG, CH and MBUS Sight Set

PSA AR-15 10.5" 5.56 NATO 1/7 Nitride 12" Lightweight Hex M-Lok MOE EPT SBA3 Pistol Kit, Gray

PSA AR-15 10.5" 5.56 NATO 1/7 Nitride 12" Lightweight Hex M-Lok MOE EPT SBA3 Pistol Kit with MBUS Sight Set & Romeo 5

BLEM Harrington & Richardson Late 723 16" Upper, 5.56, 1:7 Gray, C7

PSA 10.5" 5.56 NATO 1/7 Nitride Classic Upper w/BCG, CH, & Rear MBUS

PSA "Sabre" Forged 13.7" FN CHF CL Mid-Length 5.56 with 13" QD Rail and SilencerCo ASR - Long Pin and Weld