Barrel Length
7.5" and 16"
Gas System
Blowback
Barrel Profile
Heavy
Barrel Steel
4150 CMV Heat Treated
Chamber
5.56
Twist Rate
1:10
Muzzle Thread
1/2-28
Muzzle Device
Birdcage Flash Hider
Finish
Hard Coat Anodized
Fire Control Group
Single-Stage, Mil-Spec