Product Description
TNTE M16 A1 5.56mm 1:12 twist Rifle Barrel Kit, 20" 41V50 Vanadium alloy mil-spec steel, fully machined and assembled with M4 extension, bore and chamber for optimum performance and durability, drilled gas port, phosphate finish. (These are chrome lined). These have a proper A1 .625 gas block size with A1 Rifle extension, contour, and 1/12 twist. All the modern conveniences with the old school feel. All parts needed to add a barrel to your existing upper are included. Front sight parts are installed, correct slip ring, and flash hider are installed.
