Proof Research Bolt Action Barrel Blank .224 Caliber 20″ Carbon Fiber Sendero 1:7 Twist

Proof Research bolt action barrel blank in .224 caliber with carbon fiber wrap. Match-grade 416R stainless steel core wrapped in aerospace-grade carbon fiber composite.

– Caliber: .224
– Barrel length: 20″
– Twist rate: 1:7″
– Contour: Sendero
– Barrel breech: 2.5″
– Shank diameter: 1.20″
– Weight: 2 lbs 14 oz
– Core material: 416R stainless steel
– Wrap: Aerospace-grade carbon fiber with proprietary resin matrix