Fightlite Industries Bbl002C 5.56 Nato 16.25" Black Mag Phosphate Complete Barrel Assembly For Use With MCR Rifles And Upper Receiver Assemblies. Includes Barrel Extension With Fixed headspace, Gas Block Assembly, 4 Position Regulator, Piston, Flash Hider And Dovetail Cover. Length: 16.25" Twist: 1:7" Finish: Mag Phosphate
