CMMG Mk4 T
9mm Para. (disc. 2014), .22 LR, .300 AAC Blackout, or 5.56 NATO cal., 16.1 in. medium taper chrome moly or stainless steel barrel, A2 compensator, 30 shot PMAG, RKM11 KeyMod free float handguard, forged aluminum receivers, SST, A2 pistol gr...