PROOF Research PR15 .223 Wylde Barrel, Part 143391

Upgrade your rifle platform with the PROOF Research PR15 .223 Wylde barrel, part number 143391. Designed for compatible AR-style builds, this replacement barrel is configured for .223 Wylde chambers, providing compatibility with both .223 Remington and 5.56 NATO ammunition when used in accordance with the firearm manufacturer’s specifications. The barrel is intended for shooters seeking a dependable replacement component for competition, training, recreational shooting, or rifle customization.
The barrel features a 5/8-24 muzzle thread pattern for use with compatible muzzle devices, suppressor mounts, or thread protectors. Its 8-twist rifling is well suited to stabilizing a broad range of common .223 and 5.56 projectile weights, making it a versatile option for general-purpose rifle setups. Always confirm ammunition compatibility, muzzle-device alignment, headspace, and installation requirements before use.
As part of the PROOF Research PR15 line, this component is built for integration into compatible rifle configurations and is supplied as an extra barrel component. Professional installation by a qualified gunsmith is recommended to verify proper fit, torque, headspace, and safe operation. Firearm parts should be inspected before installation and after use, and all applicable manufacturer instructions and local laws should be followed. The PROOF Research name and part number 143391 make identification straightforward when selecting a matching replacement or configuring a PR15-based build.

Features:

• Brand: PROOF Research

• Part number: 143391

• Platform: PR15-compatible rifle configuration

• Chambering: .223 Wylde

• Muzzle thread: 5/8-24

• Rifling twist: 1:8

• Product type: Extra barrel