Abstract: An ambidextrous thumb safety assembly, configured for use in a firearm, includes a first lever assembly for positioning on a first side of the firearm, a second lever assembly for positioning on a second side of the firearm, and a monolithic shaft assembly for coupling the first lever assembly and the second lever assembly. The monolithic shaft assembly includes a first support portion configured to rotatably engage a first portion of a frame of the firearm, a second support portion configured to rotatably engage a second portion of the frame of the firearm, and a control portion configured to selectively prohibit operation of a trigger mechanism of the firearm.

Abstract: A two-position firearm safety assembly is disclosed. The assembly includes a lever detent spring and a first lever, both of which are pivotally coupled to a firearm frame. The assembly can also include a second lever and a link connecting the two levers. The detent spring is in contact with the link and/or the first lever at an assembly pivot point, putting the detent spring in compression. The compression force on the detent spring provides two distinct safety assembly positions (e.g., fire and safe positions), and prevents the safety assembly from perching between the two-positions. The properties of the detent spring (e.g., the material, shape, hardness, spring constant, pre-compression in the safety assembly, etc.) can be customized as desired to adjust the properties of the safety assembly, such as the forces needed to toggle the assembly.

Abstract: Firearms with magazine disconnectors include a trigger bar having a first end connected to the trigger and a second end proximate the hammer, the trigger bar being movable between a connected position where the second end operably engages the hammer to operate the hammer responsive to trigger actuation, and a disconnected position where the second end is disengaged from the hammer, such that trigger actuation does not operate the hammer. The disconnector is movable between a first position where the disconnector extends into the magazine well and moves the trigger bar to the disconnected position, and a second position where the disconnector is outside of the magazine well and moves the trigger bar to the connected position. The disconnector is biased to the first position in the absence of a magazine in the magazine well, and operable responsive to insertion of a magazine to move to the first position.

Abstract: A frame assembly for facilitating disassembly of a striker-fired pistol is disclosed. The frame assembly facilitates removal of the slide from a striker-fired pistol without trigger manipulation and with minimized potential for a round to be chambered. The frame assembly includes a takedown safety lever and a takedown actuation lever. Movement of the takedown safety lever causes the sear to be moved such that subsequent slide motion will not result in the storage of striker energy. Movement of the takedown safety lever is only possible while the slide is refracted beyond the point at which a chambered round would be ejected. Removal of the slide does not require pulling the trigger. The positioning of the takedown safety lever motion for disassembly may be precluded by the presence of a magazine in the gun, thereby eliminating the possibility that a round could be chambered during subsequent slide motion.