ROCK RIVER ARMS LAR-15M 6.8 (LAR-6.8) MID-LENGTH A4
6.8 SPC (disc. 2019) or SPC II (new 2021) cal., 16 in. CM barrel, A2 flash hider, two-stage trigger, gas block with receiver height sight base, 6-pos. tactical CAR stock, A2 pistol grip, mid-length gas system, forged A4 upper and LAR-6.8 (d...