Proof Research PR15 Stainless Steel Barrel 6mm ARC 14.5in Intermediate Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove
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Proof Research
Overview
The Proof Research PR15 Stainless Steel Barrel in 6mm ARC is a 14.5-inch barrel designed for use with an intermediate gas system, providing a balance between reliability and performance. With a 1-7.5 twist rate, this barrel is optimized for stabilizing a range of bullet weights, enhancing accuracy at various distances. The 5/8x24 thread pitch allows for easy attachment of muzzle devices, making it a versatile choice for precision and tactical builds that benefit from the 6mm ARC cartridge.
Specifications
Proof Research PR15 Stainless Steel Barrel 6mm ARC 14.5in Intermediate Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove
Build history on GunPartPicker
Builders on GunPartPicker first added the Proof Research PR15 Stainless Steel Barrel 6mm ARC 14.5in Intermediate Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove to a build in August 2026.
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.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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