© MidwayUSAProof Research Barrel Blank 243 Caliber, 6mm 28" Stainless Heavy Palma Contour 1:7.5" Twist
- Brand
- Proof Research
- Color
- Stainless
- Caliber
- .243 Winchester
- Category
- Gun Parts
- Barrel Length
- 28in
- Gun Part Type
- Barrel
- UPC
- 843068134306
Overview
The Proof Research barrel blank is crafted from 416R stainless steel, double-stress relieved and designed for match-grade performance. Each 28-inch barrel is drilled, contoured, reamed, and cut-rifled before being lapped and inspected via borescope. The barrel features a 1:7.5-inch twist rate and a Heavy Palma contour in .243/6mm caliber. These barrels are engineered for durability and thermal efficiency, allowing for consistent accuracy over extended shooting sessions.
Price & Stock History
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