Deal16" Stripped Profile - M4 Chamber - 5.56MM Barrel Thread - 1/2 x 28 Barrel Twist - 1x9 Barrel Steel - 416R Stainless Steel Barrel Finish - Stainless Gas System - Carbine Length Gas System Feed Ramp - M4 Feed Ramps NOTE: Gas port hole is drilled. from Flawless Tactical |