Spike's Tactical 16" M4 9mm upper.

-Spike's Tactical Billet 9mm Flat Top upper with Intergraded gas deflector, short ejection port door, Mil-Spec Type III Hardcoat finish, T-markings and our logo.

-10.5" or 16" Green Mountain Chromoly Match grade barrel,  1:10 twist rate, threaded 1/2x28, Mil-Spec Phosphate finish.  (M4 cut on 16")

-M4 profile with Carbine-length sight radius.

-Barrel is Phosphate finished under the F marked A2 front sight base. 

-CMMG Ramped 9mm Bolt carrier group with properly staked key.

-Forged Mil-Spec charging handle.

-M4 hand guards.

 -A2 Flash Hider bored out for 9mm.

**CMMG Ramped bolts are designed to work with a Standard 5.56 hammer, they will NOT function with a Dedicated 9mm hammer**