Nitromet™ 5.56mm, 7.5″ AR pistol barrel

$95.00

High Quality, Nitromet™ 5.56 Barrel 7.5″ HBAR barrel, has been treated with Nitromet™ (salt bath nitrocarburized) inside and out with a hardened finish that results in a bore life 40% greater than with traditional chrome-lining without affecting accuracy. Barrels are made of 4150 Chrome Moly Vanadium steel, chambered for 5.56mm NATO, button rifled with 1-7″ twist rifling, and machined to a standard AR pistol heavy profile. Gas port drilled for a pistol length gas system, .750″ diameter at the gas block. . Comes with a Nitromet™ processed barrel extension installed.

6 in stock

Categories: , , SKU: 556B7.5P1:7GP

Description

High Quality, Nitromet™ 5.56 Barrel 7.5″ HBAR barrel, has been treated with Nitromet™ (salt bath nitrocarburized) inside and out with a hardened finish that results in a bore life 40% greater than with traditional chrome-lining without affecting accuracy. Barrels are made of 4150 Chrome Moly Vanadium steel, chambered for 5.56mm NATO, button rifled with 1-7″ twist rifling, and machined to a standard AR pistol heavy profile. Gas port drilled for a pistol length gas system, .750″ diameter at the gas block. . Comes with a Nitromet™ processed barrel extension installed.

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