CMC Triggers
Mil-spec AR-15 barrel nut packaged with a 4140 steel armorer's wrench for barrel, castle-nut, flash-hider, and rifle-tube work.
The CMC kit pairs a mil-spec AR-15 barrel nut with a compact 4140 steel armorer's wrench. The wrench handles barrel nuts, castle nuts, .750-inch flash-hider flats, and A2 rifle buffer tubes. It also has a 1/2-inch breaker-bar drive plus 3/16-inch and 3/8-inch hex drivers.
Add the CMC AR-15 Barrel Nut and Wrench Kit to your build and see how it enhances your platform.