The Proof Research Pre-Fit Barrel is a carbon fiber-wrapped replacement barrel chambered in 7mm BC, built in the Sendero contour as a drop-in pre-fit for the Impact 787 action (Proof Research part no. 145869).

Key Specifications

• Chambered in 7mm BC
• 20-inch barrel length
• 1-in-8 rate of twist
• 5/8-24 muzzle thread
• Sendero contour
• Pre-fit for the Impact 787 action
• Carbon fiber-wrapped construction
• Weighs approximately 2 lb 10 oz

Frequently Asked Questions

What action is this barrel built for? It’s a pre-fit drop-in built for the Impact 787 action.

Is the muzzle threaded? Yes, it’s threaded 5/8-24 for a muzzle brake or suppressor.

What’s the twist rate? It has a 1-in-8 rate of twist.

Buy the Proof Research Pre-Fit Barrel, 7mm BC, 20-Inch Sendero, Impact 787

Order the Proof Research Pre-Fit Barrel, 7mm BC, 20-Inch Sendero, Impact 787 from a Lubbock, TX gun shop. Shop more Proof Research parts or browse the Rifle Barrels category at Schaefer Defense.