Proof Barrel AR15 6MM Arc 16 Stainless Steel
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Proof Research 128664 AR-Style Barrel 6mm ARC 16″ Stainless Steel Finish & Material Rifle Length with Treading & .750″ Gas Journal Diameter for AR-Platform
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Description
Description
Proof Research’s barrels exemplifies relentless pursuit of excellence. Whatever your preference is, you can expect the finest rifle barrel in the industry. The Traditional Steel barrel is long-lasting and extreme pressure resistant.
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling



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