Aero Precision EZ Install, Takedown Pins, For AR15, Nitride Finish, Black 101822 The Aero Precision EZ Takedown pins provide improvements in both aesthetics and tactile feedback when compared to traditional mil-spec takedown and pivot pins. As an added quality-of-life feature" each EZ Takedown pin has a built-in installation channel that removes the frustration of pivot pin installation or the need for specialty tools.