Purpose-built 1/2" drive crowfoot wrench for AR-platform 30mm free-float barrel nuts. Titanium-coated stainless steel construction with tight tolerances for secure grip and precise torque application without marring.
The Real Avid Master-Fit wrench is a purpose-built tool designed specifically for AR-platform builders and gunsmiths. No more improvising with generic wrenches or adapters—this crowfoot wrench is engineered for the 30mm free-float barrel nut.
Proper barrel nut installation is critical to free-float accuracy and reliability. This wrench eliminates guesswork and the frustration of adapting wrong-sized tools. Whether you're building your first AR or your fiftieth, having the right tool makes the job faster, safer, and more professional.
A must-have for any serious AR builder's toolkit.