PROOF Research AR-15 11.5" Carbine-Length Gas .223 Wylde 1:7 Stainless Steel Barrel

The PROOF Research® AR-15 11.5" Carbine-Length Gas .223 Wylde 1:7 Stainless Steel Barrel is a performance-enhanced rifle barrel, designed to give shooters match-grade accuracy and unmatched reliability with .223 Remington and 5.56x45mm NATO cartridges. Featuring durable and corrosion-resistant stainless steel construction, this carbine-length barrel boasts an optimal combination of high tensile strength with the requisite toughness to withstand extreme chamber pressures encountered during firing for long-lasting durability. Plus, a 1/2x28 threaded muzzle readily accepts a variety of muzzle devices like flash hiders, suppressors, and brakes for even more versatility. What’s more, this carbine-length barrel features a 1:7 twist rate to give you maximum accuracy and consistency with your favorite rifle build.