Variety of caliber options
12” or 15” Length Handguard
Adjustable Gas Block
Dual Charging Handle
Threaded barrel with muzzle device -450 Bushmaster and 458 SOCOM come with a muzzle brake. All other calibers come with an A2 style flash suppressor.
Enhanced lower receiver with upper receiver tension screw
Fixed magazine not greater than 10 rounds (caliber dependent)