PROOF Research PR15 6mm ARC 14.5-Inch 1:7.5 Twist PXT Barrel, Part 152164

Upgrade your AR-15 platform with the PROOF Research PR15 6mm ARC barrel, Part Number 152164. Designed for shooters seeking a capable combination of accuracy, handling, and platform compatibility, this replacement barrel is chambered for 6mm ARC and configured for AR-15 applications. Its compact profile is well suited to builds where maneuverability and efficient performance are important, making it a practical choice for range use, hunting setups, and precision-oriented rifle projects.
The barrel features a 1:7.5 twist rate to support a broad selection of 6mm ARC bullet weights. This fast twist configuration is designed to help stabilize modern, longer-for-caliber projectiles, giving builders flexibility when selecting ammunition for their intended use. The PXT designation identifies the supplied PROOF Research configuration, while the PR15 model designation helps ensure it is selected for the appropriate AR-15 build.
As an extra barrel option, the PROOF Research PR15 152164 is useful for customizing a compatible rifle or maintaining a dedicated upper receiver configuration. It provides a straightforward way to build around the 6mm ARC cartridge without replacing an entire firearm. Confirm chambering, gas system requirements, muzzle-end compatibility, and all other installation details before purchase and use. Professional installation and headspace verification are recommended when fitting any replacement barrel.
Choose the PROOF Research PR15 6mm ARC barrel when you want a purpose-built component from a recognized barrel manufacturer. Its AR-15 compatibility, modern 6mm ARC chambering, compact configuration, and 1:7.5 twist rate make it a versatile foundation for a focused rifle build.

Features:

• Brand: PROOF Research

• Part Number: 152164

• Platform: AR-15

• Chambering: 6mm ARC

• Twist Rate: 1:7.5

• Configuration: PXT replacement barrel

• Product Type: Extra barrel for compatible rifle builds