The Proof Research .308 Winchester 16.5in PXT Bolt-Action Barrel (brand part no. 154212) is an unchambered Sendero-contour barrel blank sized for .308 Winchester and cut to 16.5 inches, rifled with Proof’s PXT geometry to reduce engraving force and throat erosion for longer barrel life.

Key Specifications

• Sized for .308 Winchester
• Barrel length of 16.5 inches
• Rifling twist rate of 1-in-10
• Rifled with Proof’s PXT rifling geometry, reducing engraving force and throat erosion
• Machined in the Sendero contour

Frequently Asked Questions

What does PXT rifling do? Proof’s PXT geometry reduces rifling lead angle and smooths bullet engagement, cutting engraving force and throat erosion for longer barrel life.

Is this barrel ready to install? No, this is an unchambered blank intended for a gunsmith to chamber, contour, and fit to a specific action.

Buy the Proof Research .308 Winchester 16.5in PXT Bolt-Action Barrel

Order the Proof Research .308 Winchester 16.5in PXT Bolt-Action Barrel from our catalog, or browse more rifle barrels at Schaefer Defense. Ships fast from our Lubbock, Texas gun shop.