MR556 Match Rifle 5.56mm 16.5 Inch Barrel Black Finish 6-Position Buttstock 30 Round
MR556 Match Rifle
Features HK-proprietary gas piston system. Does not introduce propellant gases and carbon fouling back into the rifles interior. Rotating bolt system. Free-floating four-quadrant rail system/handguard which can be installed and removed without tools and returns to zero when reinstalled. Cold hammer forged barrel. 6 lands and grooves. 1 in 7 inches right hand twist. Six position adjustable buttstock - 96mm of travel.