The Luth-AR GB-FIX Gas Block Gas Tube Assy is a purpose-built fixture that helps you precisely align your AR gas block and gas tube during installation. By securely holding the components in place, this tool removes guesswork and makes it easier to drive in the roll pin without marring parts or duty misalignment.

This compact fixture is ideal for anyone assembling or maintaining an AR-pattern rifle, from home builders to working gunsmiths. Use it on the bench to streamline gas system work, improve consistency from build to build, and reduce the chance of gas leaks caused by a crooked block or tube. It is a simple, repeatable way to get professional-level results while working on your rifle projects, backed by Luth-AR’s focus on practical, shooter-driven design.

Key Features:

• Manufacturer: Luth-AR
• Model: GB-FIX Gas Block Gas Tube Assy
• Material: Steel gas block with corrosion-resistant finish; stainless steel gas tube
• Use: Aligns gas block and gas tube for easier, more accurate installation