5.56 16" Barrel for AR-15 is a precision made barrel with our lifetime No-Hassle Warranty.
Length: 16.1″ Twist 1:7
Chamber: 5.56 mm
Profile: SOCOM Profile
Material and Finish: 4140 CrMo, Salt Bath Nitride Finish
Muzzle Thread: 1/2″-28 Threads Per Inch
Gas Port Location: Carbine
Gas Block Size: .750″