Proof Research AR-Style Barrel 223 Wylde 11.5" 1:7 Twist Stainless Rifle Length - Threaded

The Proof Research AR-Style Barrel in 223 Wylde is a precision-machined 11.5" stainless steel barrel built for AR-15 platform configurations that demand accuracy and durability in a compact package.

Constructed from high tensile strength stainless steel with a stainless finish, this drop-in barrel features a 1:7" twist rate and 4-groove rifling engineered to stabilize a wide range of .223 Rem and 5.56 NATO bullet weights. The 223 Wylde chamber geometry allows the safe use of either .223 Rem or 5.56 NATO ammunition while delivering match-grade accuracy potential.

Configured for a rifle length gas system and threaded 1/2"-28 for standard muzzle devices and sound suppressors, the Proof Research AR-Style barrel delivers the strength, precision, and consistency expected from one of the industry's most respected barrel makers to your next AR-15 build.