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Proof Research
Overview
The PROOF RESEARCH 14.5" barrel is designed for the 6mm ARC caliber, providing a balance of compactness and performance that is ideal for tactical and competitive applications. With a 1-7.5 twist rate, this stainless steel barrel stabilizes a wide range of bullet weights, enhancing accuracy and consistency in various shooting scenarios. This barrel is commonly found in builds focused on precision shooting and lightweight configurations.
Specifications
6mm ARC 1-7.5 Twist 14.5" Stainless Steel Barrel
Price and stock
The Proof Research 6mm ARC 1-7.5 Twist 14.5" Stainless Steel Barrel was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $569 at BattleHawk Armory for when it comes back.
Prices checked · refreshed daily across 37 retailers
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