10.5” Carbine-Length Upper Receiver Group, M-LOK, 5.56 NATO 1/7 Barrel
$37
$64.38
Forged 7075 T6 Aluminum Upper Hard Coat Anodizing T-Markings on Receiver 10.5 inch Melonite Finish Barrel Threaded 1/2×28 Chambered in 5.56 NATO 9” Handguard
Receivers