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Old 02-05-2020, 05:36 PM
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Decocking lever in my P22 QD



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I've removed the breech block to have a look at it. It works pretty much as I expected. The part sits in a narrow slot when the safety drum is rotated to fire. When pulling the levers down the top of the cutout slot presses the part forward. It then rides over the top of the firing pin block progressively pressing it down. As the firing pin block is pressed down at a certain point it presses the front arm of the sear down causing the sear to release the hammer. This has to be carefully timed....the drum rotated enough so that it blocks the fall of the hammer when released. Pretty similar to a PP.



The new breech block is on the left. it is similar to the originals but has an additional cutout for a small return spring and for the decocking lever. For some reason the rear has been swagged in order to tighten up tolerances. The firing pin is unchanged. 1917
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