The Proof Research Pre-Fit Barrel (Proof part no. 123430) is a carbon-fiber-wrapped barrel chambered in 6.5 PRC and machined specifically to fit the Impact 737R short action. At 24 inches with a 1:7.5 twist rate and a Sendero contour, it’s built for long-range precision shooters running an Impact 737R action who want the weight savings of carbon fiber without giving up a pre-fit, drop-in-style install.

Key Specifications

• Chambered in 6.5 PRC.
• Pre-fit for the Impact 737R short action.
• 24-inch barrel length.
• 1:7.5 twist rate.
• 5/8-24 muzzle thread.
• Sendero contour.
• Carbon-fiber-wrapped construction, approximately 3 lb.

Frequently Asked Questions

What action is this barrel pre-fit for? The Impact 737R short action.

Why choose carbon fiber for this barrel? It sheds significant weight versus a comparable steel barrel of the same contour — this one comes in around 3 lb — while helping manage heat over strings of fire.

Buy the Proof Research CF Pre-Fit Barrel for Impact 737R, 6.5 PRC, 24in

Order the Proof Research CF Pre-Fit Barrel for Impact 737R, 6.5 PRC, 24in from a Lubbock, TX gun shop. Shop more Proof Research gear or browse the gun accessories category at Schaefer Defense.