Slightly Wider & Stronger, More Durable Hold Steel Fits Mil-spec/Commercial Buffer Tubes. Great simple but effective upgrade for your AR-15.
Passes military 9 hour salt spray test for corrosion. We put a regular one & this one in a salt bath to show employees overnight the military one zero rust the us made regular nut was severely pitted & ruined. So there is a finish difference this nut is lighter in color a light grey to green color