- Best and strongest castle nut wrench on the market
- Fits all AR-15 and AR-10 castle nuts
- 2x thicker than standard castle nut wrench
- Made from ultra high strength, high-carbon steel
- Case hardened and black oxide coated
The Cross Armory Castle Nut Wrench provides a perfect fit for Mil-Spec and commercial buffer tube castle nuts. Torture tested and proven to outlast all other competing castle nut wrenches! Each wrench features a rubberized grip for improved performance, 2X thicker material, case hardened High-Carbon Steel and the reliability, safety and comfort you have come to expect form Cross.
Performs the job of a:
Mil-Spec castle nut wrench & standard length receiver extension removal wrench