Description

8 inch complete upper build kit with match grade MELONITE/ NITRIDE 4150V 300 AAC black out barrel WITH 7 inch Key mod hand guard-minus BCG and charging handle

build kit comes with the following parts:

*8 inch MELONITE/ NITRIDE match grade barrel 1×8 twist

*stainless steel m4 extension

*Pistol gas length, .750 shoulder , 5/8×24 threaded muzzle

*forged upper with m4 feed ramps

*carbine gas tube, roll pin, and steel low pro .750 gas block

*7 inch free float key mod hand guard with barrel nut and 2 accessory rails

*A2 muzzle break and crush washer

*stainless m4 extension