Real Avid Master-Fit Extended & Standard Castle Nut Wrench

The Real Avid Master-Fit Extended & Standard Castle Nut Wrench is a purpose-built crowfoot tool for AR-platform castle nuts and common MIL-SPEC assembly applications. Constructed with a titanium-coated stainless finish, the wrench is engineered to minimize marring while delivering accurate torque. It features both extended and standard crowfoot ends to improve access and versatility in armorer and maintenance tasks. The design accepts a 1/2″ drive for use with common torque and breaker bar tools.

Key Specifications

• The brand is Real Avid.
• The model is Master-Fit Wrench.
• The tool is designed for AR-platform castle nuts.
• The material is TITANIUM COATED STAINLESS STEL.
• The size is Extended & Standard Castle Nut.
• The product type is Wrench.
• The listed dimensions are 0.75 X 4.70 X 6.70.
• The length is 6.7000.
• The width is 4.7000.
• The height is 0.7500.

Built for armorers and experienced shooters who value precision and tool longevity, this Master-Fit wrench offers reliable fitment and low-marring contact for assembly and maintenance on AR platforms. The two-sided crowfoot layout and durable titanium-coated stainless construction make it a practical addition to any gunsmithing kit that demands accurate torque delivery and improved access in tight or obstructed areas.