MODEL 57 SPECTER XL BILLET CARBINE
5.56 NATO, 6.8 SPC, or .300 AAC Blackout cal., GIO, 16 in. fluted steel barrel, YHM Slant brake, two Gen2 windowless PMAGs, two-stage Geissele trigger, Q.D.S. Sight System, adj. Magpul CTR buttstock, Magpul MOE pistol grip, forward assist, ...