PROOF Research 106426 Bolt-Action .284 Rifle Barrel, 16.5-Inch, 1:8 Twist

The PROOF Research 106426 rifle barrel is designed for bolt-action platforms chambered in .284. Built for shooters who want a purpose-driven replacement or extra barrel, this component combines PROOF Research manufacturing expertise with a practical configuration suited to compact, versatile rifle builds. The 16.5-inch barrel length offers a balance between handling and ballistic performance, making it a useful option for hunting rifles, field rifles, and other bolt-action applications where maneuverability is important.
The barrel features an 8-inch twist rate, supporting compatibility with a broad range of .284-caliber projectile weights when properly matched to the rifle and ammunition. Its configuration is intended for installation by a qualified gunsmith or experienced professional who can confirm receiver compatibility, headspace, chamber specifications, and all required fitting procedures before use. Always follow the firearm manufacturer’s guidance and applicable safety practices when installing or operating a replacement barrel.
As part of PROOF Research’s barrel lineup, the 106426 is suited to shooters seeking a reliable component for a customized or replacement bolt-action rifle setup. The compact profile can help maintain a balanced feel in the field, while the .284 chambering provides a flexible foundation for a variety of shooting applications. Verify the exact firearm platform, chambering, thread and contour requirements, and ammunition specifications before ordering. PROOF Research part number 106426 identifies this barrel configuration and should be used when confirming fitment with a dealer, gunsmith, or manufacturer.

Features:

• Brand: PROOF Research

• Part Number: 106426

• Platform: Bolt-action rifle

• Chambering: .284 caliber

• Barrel Length: 16.5 inches

• Twist Rate: 1:8

• Application: Replacement or extra rifle barrel

• Installation: Professional fitting and headspace verification recommended