MODEL 57 BILLET CARBINE
5.56 NATO, 6.8 SPC, or .300 AAC Blackout cal., GIO, 16 in. threaded barrel with fluting, YHM Slant Comp/Brake, two 30 shot Gen. 2 black PMAGs, oversized magwell, two-stage trigger, Quick Deploy Sight System, Magpul CTR 6-pos. buttstock, Mag...