The Proof Research PR15 Stainless Steel Barrel, 6mm ARC, 16" Rifle Length, 5/8x24 Thread, 1-7.5 Twist is engineered for shooters who demand consistent precision from their AR-15 platform. Built from...

The Proof Research 223 Wylde 1-8 Twist 14.5" Carbon Fiber Barrel brings match-grade precision to the AR-15 platform in a remarkably lightweight package. Built around a stainless steel core wrapped in...

The Proof Research 155134 PR15 223 Wylde 16" 1:8 Twist PXT barrel is a precision-engineered AR-15 extra barrel designed for shooters who demand consistent accuracy and dependable performance. Built...

The Proof Research 156070 PR15 .223 Wylde 14.5" 7TW PXT barrel is a precision stainless steel AR-15 barrel designed for shooters who demand consistent accuracy and smooth performance. Its 14.5-inch...

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...

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...

The Proof Research 155189 PR15 223 Wylde 18" 7TW PXT barrel is a precision-engineered AR-15 extra barrel designed for shooters who demand consistent accuracy and dependable performance. Built...

The Proof Research PR15 .338 ARC 10" Stainless AR Barrel, Pistol-Length Gas, .750 Gas Journal, 5/8-24 Threaded, Stainless is a compact, precision-focused AR-15 barrel built for shooters who want a...

The Proof Research 143483 PR15 22ARC 20 7 5/8-24 Standard Stainless barrel is a precision-crafted extra barrel designed for shooters who demand consistent performance from their AR platform. Built...

The Proof Research PR15 223 Wylde 16" 1:8 Twist Barrel with 5/8-24 threads is a precision stainless AR-15 barrel built for shooters who demand consistent accuracy and dependable performance...

The Proof Research Proof 152249 PR15 6 ARC 16 7.5TW PXT barrel is a premium extra barrel option for AR-platform shooters who demand consistent precision and modern performance. Built by Proof...

The Proof Research 152195 PR15 6 ARC 20 7.5TW PXT barrel is a premium upgrade for shooters who demand precision and reduced weight from their AR-platform rifles. Featuring Proof Research’s signature...