The Proof Research 143377 PR15 223 Wylde 14.5" 5/8-24 7 Twist Barrel is a precision steel AR-15 barrel built for shooters who demand consistent accuracy and dependable performance. Its 14.5 inch stainless steel profile, midlength gas system, and 5/8x24 threaded muzzle make it ready for your preferred flash hider, brake, or suppressor mount while maintaining excellent balance on the rifle.

This .223 Wylde chambered barrel is optimized to safely run both .223 Remington and 5.56 NATO ammunition, and the fast 1:7 twist rate stabilizes a wide range of modern bullet weights. Ideal for range work, training, and practical competition, it offers a refined shooting experience in a compact package. Proof Research is known for meticulous machining and rigorous quality control, giving this PR15 barrel the consistency serious shooters look for.

Key Features:

• Manufacturer: Proof Research
• Model: PR15 143377
• Caliber: 223 Wylde
• Condition: New
• Barrel Length: 14.5"
• Threaded Barrel: 5/8x24
• Weight: 1.90 lbs