Firearm fire control selector

摘要

A fire control selector for an automatic firearm capable of automatic or semiautomatic fire is provided. The firearm has a receiver having a moveable hammer. The selector is rotatably mounted in the receiver. A first sear is rotatably mounted in the receiver to engage the hammer where the first sear contacts a first camming surface of the selector. A second sear is rotatably mounted in the receiver to engage the hammer where the second sear contacts a second camming surface of the selector. A disconnect is rotatably mounted in the receiver where the disconnect contacts a third camming surface of the selector. The selector has a number of selectable positions.

主权项

1. An automatic firearm with a fire control selector, the fire control selector comprising:
an automatic sear camming surface; a trigger camming surface coupled to and adjacent the automatic sear camming surface; and a disconnect camming surface coupled to and adjacent the trigger camming surface; the automatic sear camming surface, the trigger camming surface and the disconnect camming surface being arranged such that, when the selector is installed in a firearm receiver, the automatic sear camming surface, the trigger camming surface and the disconnect camming surface respectively engage an automatic sear, a trigger and a disconnect of the firearm to select a firearm operation mode; wherein the automatic sear camming surface has a notch and a leg of the automatic sear is accepted in the notch when the fire control selector is in a fully automatic position and wherein the leg of the automatic sear is only accepted in the notch when the fire control selector is in the fully automatic position; wherein, rotation of the fire control selector between a selectable end position, from selectable positions of the fire control selector, and another selectable end position is less than 180 degrees; an ambidextrous switch handle disposed adjacent the trigger camming surface, wherein the switch handle protrudes from a first side of the receiver and wherein the ambidextrous switch handle protrudes from a second side of the receiver opposite the first side, wherein the trigger camming surface has a land contacting the trigger when the fire control selector is in a semiautomatic position, and wherein the trigger camming surface further has a step projecting from the land, the step contacting the trigger when the fire control selector is in a safe position.