In stock
Real Avid Master-Fit Wrench, Wrench, Stainless Steel, Extended & Standard Castle Nut
In stock

Real Avid Master-Fit Wrench, Wrench, Stainless Steel, Extended & Standard Castle Nut

Regular Price $41.99 Special Price $29.99
SKU 516551634282
Model Number AVMFESCNW
Brand Real Avid
UPC 813119013843
This product is fulfilled by a PSA Partner and shipping times may vary.
Customers must read Compliance Information before purchasing.

Product Details


Benefit from a set of wrench heads designed to work seamlessly with the Real Avid Master Fit Universal Bench Block, ensuring compatibility with various firearm models

Choose Real Avid Master Fit wrench heads to streamline your firearm maintenance process, enhancing your efficiency and effectiveness

Optimize your firearm care routine with the Real Avid master fit wrench heads, ensuring your firearms stay in top condition

Select durable and well-crafted wrench heads that are built to withstand the demands of firearm maintenance, ensuring long-lasting performance

Enjoy the compact and portable design of these wrench heads, making them easy to store, transport and organize in your firearm maintenance toolkit

Choose from a range of specialized wrench heads that cover tasks like barrel nut installation, castle nut tightening and more, providing tailored solutions for different firearm components

Elevate your firearm toolkit with these versatile wrench heads, designed to make various maintenance tasks more accessible and convenient

Discover the Real Avid Master Fit wrench heads, an essential toolkit for versatile and efficient firearm maintenance tasks


Enhance your gun building experience with the Master-Fit Extended Castle Nut Wrench, expertly crafted to ensure a precise fit for buffer tube's extended and standard castle nuts, as well as some barrel nuts and buffer end plates with sling attachments. Made from titanium-coated stainless steel, this specialized wrench offers tight tolerances for a secure nut-gripping strength and superior tool control, preventing slips during use. When combined with the Master-Fit 1/2 inches Drive Torque Wrench, this master grade combo takes your gun building to new heights. Additionally, the Master-Fit 1/2 inches Drive Crowfoot Wrenches are fully compatible with any standard 1/2 inches drive wrench. Elevate your firearm assembly with the Master-Fit Extended Castle Nut Wrench and experience unmatched precision and confidence in your work.


Q & A


Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.