Daniel Defense Barrel Nut

Specialized Armament barrel nut wrench - DD RIS II.
Wrench DD2 in action.
One of Two
Many hours of Design, Engineering, Fabrication & Machining.
This is what a $1000, hand-crafted, tool-steel, proto-type looks like,
after professional TIG welding, multi-part heat treating, and phosphate plating.

We have designed and manufactured special tooling for dozens of companies and government entities.