Upgrade your existing M4/M16 to an ultra-reliable, lightweight and close quarter combat carbine.

Includes:

M4 MIL-SPEC Bolt assembly

Charging Handle

Chrome Moly Vanadium Steel Barrel with 1:7 twist

TRX Extreme BattleRail

3 removable rails

Front & Rear Folding BattleSights

Medieval Flash Hider

Modular Combat Grip.