So I cheaped out and bought a UTG mini armorer’s wrench to use on my first AR build. Turns out, the pins don’t fit into Aero’s proprietary barrel nut! Now that it’s on its way back to the seller, does anyone have a suggestion for a replacement wrench that works well with Aero barrel nuts?
The expensive Magpul armorer's wrench at the top of the photo will not fit it because it has too many pins. The "cheap" no name wrench at the bottom of the photo fits.