KST 10.5″ 5.56 NATO SOCOM BARREL

KST 10.5″ 5.56 NATO SOCOM BARREL

Featuring

• 10.5″ 4150 CMVS
• Mil-Spec 86L20 Case-Hardened M4 Extension
• QPQ Nitride Finish
• 1/2 x 28 Muzzle Threads
• 1/7 Twist
• Carbine-Length Gas Port
• .750 Gas Block Seat
• Weighs 22 oz.
• Made in the USA