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Firearms use triggers to initiate the firing of a cartridge seated within the gun barrel chamber.This is accomplished by actuating a striking device through a combination of mainspring (which stores elastic energy), a trap mechanism that can hold the spring under tension, an intermediate mechanism to transmit the kinetic energy from the spring releasing, and a firing pin to eventually strike ...
This allows for an increased rate of fire. However, the shooter must still manually pull the trigger each time it resets for any subsequent shot to be fired. An image of a forced reset trigger from ATF’s Ammunition Technology Division: Technical Bulletin 22-01. Forced reset triggers are installed through replacement of the trigger control group.
A binary trigger (or pull and release trigger) is a type of device that allows a semi-automatic firearm to fire at an increased rate. A binary trigger works by firing one shot upon pulling the trigger and then firing a subsequent shot upon release of the trigger. Binary triggers are installed through modification of the fire-control group.
Sear shown in a revolver action. In a firearm, the sear is the part of the trigger mechanism that holds the hammer, striker, or bolt back until the correct amount of pressure has been applied to the trigger, at which point the hammer, striker, or bolt is released to discharge the weapon.
A variation is the trigger disconnect which prevents the gun from firing until the gun has not only been fully and completely cycled, but the trigger is released and squeezed again. This defines the behavior of semi-automatic firearms which require a separate trigger pull to fire each successive cartridge and ready the next, and this is the ...
Another system in development uses a laser range finder to trigger an explosive small arms shell in proximity to a target. As of 2009, the U.S. Army has plans to use such devices in the future. [9] In 2008 the EXACTO program began under DARPA to develop a "fire and forget" smart sniper rifle system including a guided smart bullet and improved ...
Olympic Arms, Inc. was founded by Robert Charles Schuetz and began as Schuetzen Gun Works (SGW) in 1956, manufacturing barrels in Colorado Springs, Colorado.Prior to that Mr. Schuetz had been partnered in business with well-known gunsmith P.O. Ackley.
A hell-fire trigger is a device that allows a semi-automatic firearm to fire at an increased rate. The hell-fire clamps to the trigger guard behind the trigger and presses a "finger" against the back of the trigger to increase the force that returns the trigger to its forward position, effectively decreasing the time required for the trigger to reset, allowing for a faster follow-up shot.