Abstract: Improved firearms including one or more of a removable and/or interchangeable top cover, an improved extractor mechanism, a striker safety mechanism with a direct trigger interface, a sear with direct striker interface, and/or a striker with integral striker spring retention features.

Abstract: Improved firearms including one or more of a removable and/or interchangeable top cover, an improved extractor mechanism, a striker safety mechanism with a direct trigger interface, a sear with direct striker interface, and/or a striker with integral striker spring retention features.

Abstract: Improved firearms including one or more of a removable and/or interchangeable top cover, an improved extractor mechanism, a striker safety mechanism with a direct trigger interface, a sear with direct striker interface, and/or a striker with integral striker spring retention features.

Abstract: Improved firearms including one or more of a removable and/or interchangeable top cover, an improved extractor mechanism, a striker safety mechanism with a direct trigger interface, a sear with direct striker interface, and/or a striker with integral striker spring retention features.

Abstract: Improved firearms including one or more of a removable and/or interchangeable top cover, an improved extractor mechanism, a striker safety mechanism with a direct trigger interface, a sear with direct striker interface, and/or a striker with integral striker spring retention features.

Abstract: In one general aspect, the subject matter described in this specification can be embodied in a firearm safety device including a trigger, a pin, and a safety deactuation device. The trigger has a channel therein with an opening at an end of the channel. The pin is disposed within the channel such that a portion of the pin extends through the opening. The safety deactuation device is configured to engage with the pin and move the pin within the channel of the trigger as the safety deactuation device is moved relative to the trigger.

Abstract: A firearm firing system that includes a striker assembly and a fire control assembly. The striker assembly includes a striker housing, a striker disposed within the striker housing, and a sear bar coupled to the striker housing. The sear bar is configured to engage a sear engagement surface of the striker through an opening in the striker housing. The fire control assembly includes a cocking block and a transfer lever. The cocking block is configured to engage with and pivot the sear bar. The transfer lever is configured to transfer force from a trigger to the cocking block.

Abstract: A firearm firing system that includes a striker assembly and a fire control assembly. The striker assembly includes a striker housing, a striker disposed within the striker housing, and a sear bar coupled to the striker housing. The sear bar is configured to engage a sear engagement surface of the striker through an opening in the striker housing. The fire control assembly includes a cocking block and a transfer lever. The cocking block is configured to engage with and pivot the sear bar. The transfer lever is configured to transfer force from a trigger to the cocking block.

Abstract: An extractor for a firearm. The extractor includes an extractor body, an edge at a first end of the extractor body, a pivot at a second end of the extractor body, opposite the first end, and a locking portion. The extractor edge is configured to engage a bullet casing. The pivot is configured to permit the extractor to pivot about a first axis and to pivot about a second axis that is orthogonal to the first axis when the extractor is installed within a firearm slide. The locking portion is configured to engage with a corresponding locking element in the firearm slide.

Abstract: An extractor for a firearm. The extractor includes an extractor body, an edge at a first end of the extractor body, a pivot at a second end of the extractor body, opposite the first end, and a locking portion. The extractor edge is configured to engage a bullet casing. The pivot is configured to permit the extractor to pivot about a first axis and to pivot about a second axis that is orthogonal to the first axis when the extractor is installed within a firearm slide. The locking portion is configured to engage with a corresponding locking element in the firearm slide.