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Safe action

File:Glock23 3rdGen.jpg
A Glock 23, integral trigger safety visible.

The "safe action" is a firing pin lock system[1] which Glock developed to be used in the vast majority of their pistols. The action is very similar to the quick action used by Walther and other pistol manufacturers. The system consists of one external and two internal safeties which use a striker-engaged firing pin, rather than the more traditional hammer-engaged. It uses additional precautions to prevent the firing pin from moving or being struck if the firearm were to be dropped or shaken.

The three safeties are:

  • Trigger Safety: An external integrated trigger safety lever mechanism contained within the trigger guard that prevents the trigger from moving unless the lever is depressed.[2]
  • Striker Safety: A spring-loaded pin attached by an extension bar to the trigger assembly blocks the striker from striking the primer of the cartridge until the trigger is pulled.[3]
  • Drop Safety: The far end of the same extension bar locks the striker into place from the rear until the trigger is pulled.[4]

This passive safety system omits the manipulation of traditional on-off levers, hammers or external safeties as found in many other handgun designs.

However, the lack of a traditional external on-off safety means that the weapon will always fire when the trigger is depressed normally: "The ability to fire immediately, without worrying about an external safety, is one feature Glock has stressed as an advantage when selling its guns, especially to police departments..."[5]

The factory standard two-stage trigger has a trigger travel of 12.5 mm (0.5 in) and the trigger pull is rated at Script error: No such module "convert"., but by using a modified connector it can be increased to Script error: No such module "convert". or lowered to Script error: No such module "convert".. In response to a request made by American law enforcement agencies for a two-stage trigger with increased trigger pull, Glock introduced the NY1 (New York) trigger module, which features a flat spring in a plastic housing that replaces the trigger bar's standard coil spring. This trigger modification is available in two versions: NY1 and NY2 that are rated at Script error: No such module "convert". to Script error: No such module "convert". and Script error: No such module "convert". to Script error: No such module "convert". respectively, which require approximately Script error: No such module "convert". to Script error: No such module "convert". of force to disengage the safeties and another Script error: No such module "convert". to Script error: No such module "convert". in the second stage to fire a shot.

External links


  1. ^ "GLOCK Advantage: trigger system". Retrieved 2008-01-12. 
  2. ^ "GLOCK Advantage: trigger safety". Retrieved 2007-10-13. 
  3. ^ "GLOCK Advantage: striker safety". Retrieved 2007-10-13. 
  4. ^ "GLOCK Advantage: drop safety". Retrieved 2007-10-13. 
  5. ^ Glock Pistol Used by Police Raised Safety Issues

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