HM Defense Defender M5L 223 Semi Automatic Rifle AR-15
Mid Length Gas System. integrally Machined Gas Block. This HM Defense Defender M5L 223 rifle features an HM MONOBLOC barrel with an integrally machined gas block. Chambered in 5.56 NATO/223 Rem, the 4150 chromoly barrel is 16" in length, and features a 1:8 twist ratio and a mid-length gas system. Al
