Abstract: A bearing protector device comprising: a tube embodying a flange, a relief cavity and a ledge within its internal wall, a cupped piston and a spring, and wherein the assembly is retained inside the tube by the flange at one end and the ledge requires no other device to retain the assembly within the tube.

Abstract: An automatic pistol including a slide lock pivotally mounted through the frame inside the trigger guard; a trigger bar with an edge to engage a sear to move in a rearward direction and disengage from a striker foot; a magazine which is reduced at the base so that a variety of calibers can be fired from the same frame.

Abstract: An automatic pistol including a trigger safety which is pivotally mounted through the trigger guard to prevent the rearward movement of the trigger; a trigger bar with a ledge to engage a firing pin foot to move it in a rearward direction and an inclined edge in the ejector plate for engagement of the trigger bar wing for disengagement of the ledge in the trigger bar off the firing pin foot; a firing pin embodying a stepped chamber and containing within a spring mechanism for propelling the firing pin into the cartridge chamber.