JTF 5.56MM Nitride Barrel Carbine Length Gas System – 11.5 Inch GOV Profile

Description

This 5.56 chambered 11.5″ Gov Profile Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. These barrels adhere to the MIL-B-11595E standard for military use barrels. They also feature our lifetime warranty against wear, failure and destruction.

MIL-B-11595E (W/AMENDMENT 1), MILITARY SPECIFICATION: BAR, METAL AND BLANKS, STEEL (UNDER 2 INCHES IN DIAMETER) FOR BARRELS OF SMALL ARMS WEAPONS (26 JUL 2004)., This specification covers alloys steel, bars and blanks under 2 inches in diameter for use in the manufacture of barrels for small arms weapons

Quench Polish Quench (QPQ) is a specialized type of nitrocarburizing case hardening that increases corrosion resistance. It is sometimes known by the brand name of Tufftride, Tenifer Black Nitride or Melonite.

• Material – 4150 Chrome Moly Vanadium
• Profile – Government
• Finish – QPQ Corrosion Resistant
• Gas System Length – Mid
• Gas Block Journal – .750″ Gas Block Journal
• Twist Rate – 1/7 Twist
• Muzzle – 1/2×28 Threaded
• 11.5 Inch Length