US Patent 10955219 Handgun sight pusher

A handgun sight pusher can include an upper frame having a screw drive within an internal adjustment cavity and a pusher block having pusher flanges that is rotatably engaged with the screw drive; and a lower frame connected to the upper frame and having a gun slide channel for receiving a gun slide and a plurality of side clamps for securing the gun slide in the gun slide channel. The internal adjustment cavity can include a transitory space and a rotation space. Rotation of the screw drive can cause the pusher block to move along the screw drive and transition between the transitory space and the rotation space. The pusher block can retain its orientation in the transitory space and rotate freely within the rotation space.