The Proof Research .264 20in Sendero Light PXT Carbon Fiber Barrel Blank (brand part no. 152317) is an unchambered carbon-fiber barrel blank rifled with Proof’s PXT geometry, engineered to reduce engraving force and throat erosion for longer barrel life. Machined in the Sendero Light contour, it gives a custom rifle builder or gunsmith a lightweight foundation to chamber and fit to a specific action.

Key Specifications

• Sized for .264 caliber
• Barrel length of 20 inches
• Rifling twist rate of 1-in-8 PXT
• Breech length of 2.5 inches
• Shank diameter of 1.20 inches
• Machined in the Sendero Light contour
• Finished weight of approximately 2 lb 10 oz
• Rifled with Proof’s PXT rifling geometry, reducing engraving force and throat erosion

Frequently Asked Questions

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.

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.

Buy the Proof Research .264 20in Sendero Light PXT Carbon Fiber Barrel Blank

Order the Proof Research .264 20in Sendero Light PXT Carbon Fiber Barrel Blank from our catalog, or browse more rifle barrels at Schaefer Defense. Ships fast from our Lubbock, Texas gun shop.