KST 16″ 5.56 NATO SOCOM BARREL

KST 16″ 5.56 NATO SOCOM BARREL

Featuring

• 16″ 4140 Gun Barrel Quality Steel
• Mil-Spec 86L20 Case-Hardened M4 Extension
• QPQ Nitride Finish
• 1/2 x 28 Muzzle Threads
• 1/7 Twist
• Mid-Length Gas Port
• .750 Gas Block Seat
• Weighs 29 oz.
• Made in the USA