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Proof Research Barrel Blank 257 Caliber 22" Carbon Fiber Sendero Contour 1:7.5" Twist 1.13 Breech

$899.00
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Brand
Proof Research
Color
Carbon Fiber
Caliber
.257 Roberts
Category
Gun Parts
Barrel Length
22in
Gun Part Type
Barrel
UPC
843068147962

Overview

The Proof Research barrel blank features a 257 caliber bore, a 22-inch length, a Sendero carbon fiber contour, a 1:7.5-inch twist rate, and a 1.13-inch breech. Built with an internal double-stress-relieved 416R stainless steel match-grade core and wrapped in aerospace-grade carbon fiber using an optimized helical pattern, this barrel is engineered for superior thermal diffusivity, rapid cooling, unmatched durability, and consistent long-range accuracy.

Price & Stock History

Price — 90d
Listings In Stock — 30d

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Listings

MidwayUSABest Deal
No Stock
$899.00
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