This 5.56 AR-15 Complete Side Charging (Gen 2) Upper has a 10.5" barrel with a Heavy Barrel profile, made of 4150 Chrome Vanadium with a Black Nitride finish, and features a 1:8 Twist Rate, a Pistol length gas system.The Upper includes the new 10" MLOK Rail, an M4 flat-top forged upper receiver, a Bolt Carrier Group, a Flash Hider, and a side Charging gen 2 Handle. It is chambered in 6.5 Grendel Type II and machined with M4 feed ramps in the barrel extension.
BCG Included
