Proof Research 7PRC Carbon Fiber Barrel, 20-Inch, 8-Twist, 5/8×24

The Proof Research 7PRC Barrel (Proof Research part no. 144374) is a 20-inch carbon fiber-wrapped precision barrel chambered in 7mm PRC, cut with an 8-twist rate and threaded 5/8×24. Made by Proof Research, a leader in carbon fiber barrel technology, this barrel pairs a precision stainless steel liner with a carbon fiber sleeve, cutting significant weight versus a traditional steel barrel while retaining the stiffness needed for long-range accuracy. The 5/8×24 thread pattern accepts standard muzzle devices and suppressors. It is a premium option for long-range hunters and precision shooters running the increasingly popular 7mm PRC cartridge.

Key Specifications

• Chambered in 7mm PRC.
• Measures 20 inches in length.
• Cut with an 8-twist rate.
• Threaded 5/8×24 for muzzle devices and suppressors.
• Carbon fiber-wrapped construction for reduced weight and added stiffness.

Frequently Asked Questions

What cartridge is this barrel chambered in? It is chambered in 7mm PRC.

Why choose a carbon fiber barrel over steel? The carbon fiber sleeve cuts significant weight versus a traditional steel barrel while retaining stiffness for accuracy.

What thread pattern does it use? It is threaded 5/8×24 for standard muzzle devices and suppressors.

Buy the Proof Research 7PRC Carbon Fiber Barrel, 20-Inch, 8-Twist, 5/8×24

Cut weight without sacrificing accuracy on your 7mm PRC build. Order this barrel from our Lubbock, Texas gun shop for fast, insured shipping, and see our full rifle barrel selection for more Proof Research options.