Proof Research PR15 223 Wylde 18 Stainless Rifle Barrel AR-15 1-8 1/2-28

The Proof Research PR15 223 Wylde 18 RLGB .750 stainless steel barrel delivers precision reliability for AR-15 platforms, integrating a stainless finish for long-term corrosion resistance and a medium contour that balances accuracy with field handling. This 18-inch rifle-length gas system barrel features a 1-8 twist rate to stabilize a wide range of 223 Wylde projectiles, ensuring tight groups and consistent velocity across varied loads. The barrel is chambered for 223 Wylde to maximize compatibility between 5.56 NATO and .223 Remington ammunition, while the 1/2-28 muzzle threading supports a variety of common suppressors and muzzle devices. Weighing approximately 2 pounds 15 ounces, its lightweight profile complements ergonomic AR-15 builds without sacrificing rigidity or accuracy, and its AR-15 compatibility makes it a straightforward upgrade for builders seeking enhanced performance. With a taper and gas port alignment designed for dependable cycling and reduced bore erosion, this 18-inch barrel is an excellent choice for precision-oriented shooters, varmint and predator hunters, or any rifleman looking to improve accuracy on mid-length and longer-range engagements.