Proof Research Barrel Zermatt RimX Pre-Fit 22 Winchester Magnum Rimfire (WMR) 20" Competition 1 in 16" Twist 4 Groove 1/2"-28 Thread Stainless Steel

Proof Research Zermatt Arms Steel .22 Winchester Magnum Rimfire Threaded Rifle Barrel 20 inch Competition 1-16 Twist 1/2-28 Silver. Their pre-fit Zermatt Arms shouldered barrels are easy to install. Simply thread it on torque it down double check headspace and head for the range. Specifications for Proof Research Zermatt Arms Steel .22 Winchester Magnum Rimfire Threaded Rifle Barrel: Manufacturer: Proof Research Color: Silver Finish: Stainless Steel Caliber: .22 Winchester Magnum Rimfire Projectile Caliber: .222 Caliber Barrel Length: 20 in Barrel Material: Steel Barrel Twist Rate: 1-16 Barrel Profile: Competition Threads per Inch: 1/2x28 Gun Make: Zermatt Arms Gun Model: Zermatt RimX Weight: 7.5 lb Gun Type: Rifle Flutes: No Barrel Shank Diameter: 1.25 in Application: Shooting Features of Proof Research Zermatt Arms Steel .22 Winchester Magnum Rimfire Threaded Rifle Barrel Lightweight - Up to 64percent lighter than traditional steel barrels of similar contour Extreme Temperature Resistance - Improved heat dissipation for cooler and longer lasting barrels Unprecedented Durability - Wrapped with high-strength aerospace-grade carbon fiber impregnated with a proprietary matrix resin Long-Lasting - Excellent erosion wear characteristics and corrosion resistance Extreme Pressure Resistance - An optimum combination of high tensile strength along with requisite toughness to withstand extreme chamber pressures encountered during firing Package Contents: Proof Research Zermatt Arms Steel .22 Winchester Magnum Rimfire Threaded Rifle Barrel Proof Research 133590: Zermatt Arms Steel .22 Winchester Magnum Rimfire Threaded Rifle Barrel 20 inch Competition 1-16 Twist 1/2-28 Silver 133590