This barrel is in the style of the original A2 government profile 20” barrel except that the muzzle is turned with a competition crown. Perfect as a replacement barrel for your target or hunting rifle, it is legal for use in New York State. Barrel material is 4150 Chrome Moly Vanadium 11595E Steel, Chrome Lined in both Bore and Chamber for long wear and ease of cleaning. Button rifling is 1 turn in 7 inches – right hand twist for optimum accuracy with a wide range of .223 / 5.56mm ammunition. A Black Manganese Phosphate finished is applied for protection against rust and corrosion. The government profile offers the lightest weight possible. This subassembly includes the Barrel Extension (with M4 Feed Ramps), Barrel Nut, Front Handguard Cap, and standard A2 Front Sight Base with Sling Swivel.
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