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Proof Research PXT Impact Precision 737R SA Carbon Fiber Prefit Barrel 6mm ARC 20" Sendero Contour 1:7.5" Twist

$1149.00
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Brand
Proof Research
Color
Carbon Fiber
Caliber
6mm ARC
Category
Gun Parts
Barrel Length
20in
Gun Part Type
Barrel
UPC
843068156155

Overview

The Proof Research PXT pre-fit barrel for Impact Precision 737R SA actions is chambered in 6mm ARC. This 20-inch barrel features a Sendero contour and a 1:7.5" twist rate. It utilizes PXT (PROOF Exponential Twist) rifling geometry, which is engineered to reduce engraving force and throat erosion for a smoother transition as the projectile engages the rifling. The barrel is constructed with aerospace-grade carbon fiber wrapped around a stainless liner, providing heat dissipation and significant weight savings compared to traditional steel barrels. It arrives threaded and chambered, allowing for a streamlined installation process without additional machining.

Price & Stock History

Price — 90d
Listings In Stock — 30d

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Listings

MidwayUSABest Deal
No Stock
$1149.00
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