CNC Wedge Pins AR15, pin for AR15 / M4 softair series, which allows you to tighten the upper to the lower eliminating the play due to inaccuracies or wear between the 2
the set includes 2 complete pins, by combining the various components you can configure 4 different lengths to best adapt them to your airsoft rifle
the configurations that you will be able to have will be respectively: a 33mm and a 38mm pin, or, a 35mm and a 36mm pin