The Proof Research 143254 PR15 223 Wylde 16" Threaded Barrel delivers a premium carbon-fiber wrapped AR-15 barrel designed for shooters who demand precision and reduced weight. Built around a stainless steel core with a distinctive carbon-fiber exterior, this extra barrel is purpose-built for the .223 Wylde chambering and features 5/8x24 muzzle threads for easy attachment of compatible devices.

This barrel is ideal as an upgrade or replacement for an AR-platform rifle when you want a lighter front end without giving up rigidity. Its configuration supports accurate range work, training, and general-purpose shooting with .223 Wylde-compatible ammunition. Proof Research is widely respected for advanced barrel technology and meticulous manufacturing that focuses on consistency and long-term performance.

• Manufacturer: Proof Research
• Model: 143254 PR15 223 Wylde 16" 5/8x24
• Caliber: 223 Wylde
• Barrel Length: 16"
• Threaded Barrel: Yes
• Length: 25.1"