© Hinterland OutfittersProof Research Carbon Fiber Barrel Blank 224 Caliber 20" Sendero Contour 1:7" Twist
- Brand
- Proof Research
- Color
- Carbon Fiber
- Caliber
- .224 Cal
- Category
- Gun Parts
- Barrel Length
- 20in
- Gun Part Type
- Upper Receiver
- UPC
- 843068103432
Overview
The Proof Research carbon fiber barrel blank is chambered in .224 caliber with a 20-inch length, a 1:7" twist rate, and a Sendero contour. Built with a double-stress-relieved 416R stainless steel core that is cut-rifled, lapped, and borescope-inspected, it is wrapped in an aerospace-grade carbon fiber using a helical pattern. This design optimizes thermal diffusivity and heat dissipation to maintain match-grade accuracy and durability while reducing weight.
Price & Stock History
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