Troy M7(5.56mm) 16" CQB Upper Receiver 1/7 Twist, Hammer Forged, NiCoRR-Lined Barrel.
Specifications and Features:
M4 Bolt Assembly & Charging Handle Included
16" Hammer Forged NiCorr-Lined Barrel With A 1/7 twist
TRX Extreme 13" Free Float Rail (W/three removable rails )
Folding Front and Rear BattleSights
Medieval Flash Suppressor
Modular Combat Grip