-----16 inch complete upper build kit with match grade 4150V 5.56/.223 wylde barrel WITH 12 inch Key mod hand guard-minus BCG and charging handle
build kit comes with the following parts: expect SUB MOA.
*16 inch match grade chrome moly barrel
*carbine gas length, .750 gas shoulder , 1/2x28 threaded
*forged upper with m4 feed ramps
*carbine gas tube, roll pin, and steel low pro gas block .750
*12 inch free float key mod hand guard with barrel nut and 2 accessory rails
*A2 muzzle break and crush washer