The Proof Research 7mm PRC 20-Inch PXT Bolt-Action Barrel (Proof Research part no. 152638) is a bolt-action rifle barrel chambered in 7mm PRC and cut to 20 inches. It is rifled with Proof’s PXT geometry, which reduces engraving force and throat erosion to extend barrel life, and its 1-in-8 twist suits the heavy-for-caliber bullets this cartridge is loaded with. A 20-inch length keeps a 7mm PRC rifle handier than a 24-inch tube would. For a long-range shooter building or rebarreling a rifle around 7mm PRC, this Proof Research barrel is a straightforward starting point.

Key Specifications

• The barrel is chambered in 7mm PRC, a long-range cartridge built for heavy-for-caliber bullets.
• Barrel length is 20 inches, a handier length than a 24-inch tube for a rifle that gets carried.
• The rifling twist rate is 1-in-8, a rate that suits the heavier bullets this cartridge is loaded with.
• PXT rifling geometry reduces engraving force and throat erosion for longer barrel life.
• It is a bolt-action barrel made by Proof Research, known for its precision barrels.

Frequently Asked Questions

What does PXT rifling do? Proof’s PXT geometry reduces engraving force and throat erosion by smoothing bullet engagement, which extends barrel life.

What cartridge, length and twist does this barrel have? It is chambered in 7mm PRC, cut to 20 inches, with a 1-in-8 twist.

Buy the Proof Research 7mm PRC 20-Inch PXT Bolt-Action Barrel

Add a shorter, faster-handling 7mm PRC barrel to your bolt-action build. Order it from our Lubbock, Texas gun shop for fast, insured shipping, or browse more rifle barrels.