Proof Research .264 Cal 20-inch Sendero Bolt Action Barrel Blank

This Proof Research 105504 barrel blank is built for bolt-action rifles chambered in .264 caliber and sized to a 20-inch Sendero contour. It uses carbon-fiber-wrapped construction to reduce mass and help manage heat during extended shooting sessions. The barrel features a 1:8 rate of twist and four grooves to stabilize a range of bullet profiles for precision shooting. It is offered as a blank for gunsmithing and custom builds.

Key Specifications

• The caliber is .264 caliber.
• The barrel length is 20 inches.
• The rate of twist is 1:8″.
• The contour is Sendero.
• The barrel type is a blank.
• The bore type is rifled.
• The barrel has 4 grooves.
• The breech length measures 2.5 inches.
• The shank diameter measures 1.20 inches.
• Feature: carbon-fiber-wrapped barrel for reduced weight and improved heat dissipation.

Designed for precision-oriented builders and experienced gunsmiths, this blank pairs a proven Sendero contour with modern carbon-fiber wrapping to reduce swing weight and improve thermal performance. Its 1:8 twist and rifled bore support a variety of .264-caliber projectiles, making it a versatile option for competition and long-range applications.