Mcr 5.56x45 Nato 16.25'' 1-7 Twist Heavy Barrel Assembly

Mcr 5.56x45 Nato 16.25'' 1-7 Twist Heavy Barrel Assembly

Finish : Black
Gas System Length : Carbine
Contour : Heavy
Cartridge : AKK_5.56 mm NATO
Twist : 1-7
Length : 16.25''
Muzzle Threads : 1/2-28