firing pin


Definition of firing pin

: the pin that strikes the cartridge primer in the breech mechanism of a firearm

Examples of firing pin in a Sentence

Recent Examples on the Web What’s a fore-end and how does a firing pin detonate a cartridge? Andrew Mckean, Outdoor Life, "Become More Confident and Knowledgeable About Firearms with the NSSF’s Learn to Shoot Series," 2 Oct. 2020 But Villegas grabs the gun, squeezing his forefinger into the space between the pistol’s cocked hammer and firing pin, just as Valdez pulls the trigger. Mario Ariza,, "El Jabao: The greatest Cuban crime syndicate you’ve never heard of.," 3 Oct. 2020 Gunmakers argue that microstamping is unreliable because the etching on a firing pin does not provide a legible imprint on every bullet casing and can easily be removed. Alexei Koseff,, "Newsom signs bill that compels gunmakers to adopt bullet-tracing technology," 29 Sep. 2020 Gunmarkers argue that micro-stamping is unreliable because the etching on a firing pin does not provide a legible imprint on every bullet casing and can easily be removed. Alexei Koseff,, "California change to bullet-tracing mandate is sent to Newsom," 30 Aug. 2020 New leaf springs in the action make for faster and more precise firing pin engagement. Joe Genzel, Outdoor Life, "Best Shotguns: 7 Great 28 Gauges for Upland Hunting," 15 June 2020 Raising the button lowers the transfer bar away from the hammer and firing pin, making the gun safe. Phil Bourjaily, Field & Stream, "The Best Handguns for Deer Hunting," 8 Oct. 2019 Back in 2013, Defense Distributed founder Cody Wilson posted a video of him firing the Liberator — all plastic and 3-D-printed, save for a metal firing pin — and uploaded the plans online. Caitlin Wolper, Teen Vogue, "3-D-Printed Gun Blueprints Were Posted by a Gun Rights Group," 1 Aug. 2018 The bullets sit on a small mound of gunpowder which burns when a gun’s firing pin strikes a primer at the base of the casing. Kyle Mizokami, Popular Mechanics, "U.S. Army Getting New Machine Gun Round, Special Ops Getting New Sniper Bullet," 10 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'firing pin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of firing pin

1874, in the meaning defined above

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Time Traveler for firing pin

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The first known use of firing pin was in 1874

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Statistics for firing pin

Last Updated

8 Nov 2020

Cite this Entry

“Firing pin.” Dictionary, Merriam-Webster, Accessed 29 Nov. 2020.

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