Proof Research PR15 carbon fiber barrel in 6 ARC with 14.5" length and .750" gas block journal. Lightweight precision performance for modern rifle builds.
The Proof Research PR15 represents the pinnacle of modern barrel engineering, combining advanced materials with precision manufacturing to deliver exceptional performance in a lightweight package.
The 6 ARC cartridge has gained recognition among precision shooters and hunters for its excellent velocity, minimal recoil, and superior wind deflection characteristics compared to older intermediate rounds. The 14.5" length strikes an excellent balance between velocity and maneuverability, making it suitable for both tactical applications and hunting scenarios.
Proof Research's carbon fiber technology reduces muzzle rise and felt recoil while maintaining the rigidity necessary for precision shooting. This barrel is an excellent choice for builders seeking a modern, lightweight upper receiver assembly without compromising on accuracy or reliability.