Empty Chamber Indicators / Dry Fire Plugs for Pardini & Benelli .22's

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I'm slowly getting a bunch of shooting related 3D print files posted on Thingiverse. A while back, I printed up a bunch of ECI/dry-fire plugs for Benelli and Pardini .22 pistols used by college team I help coach. The students have a knack for breaking them, losing them, or dropping them over the firing line in the middle of a match, so it's helpful to have lots of spares...

They will also work as ECI's on other pistols as well, and in some instances, they can also be used for dry firing. I know the Pardini one work in older Walther GSP's, for example.

Here's the link to the Pardini plugs: https://www.thingiverse.com/thing:6664634

and here is the link for the Benelli ones: https://www.thingiverse.com/thing:6664626

The Benelli ones will only work for dry firing in early pistols (before ~ 2000 or so), and later pistols (post ~ 2005?). Sometime in the late 1990's, they changed the disconnector design to make it impossible for the pistols to fire out of battery. They did this by adding a lever on top of the trigger assembly. The first version of this had a flat top on the full length of the lever, and the pistols wouldn't dry fire unless the slide/bolt was mostly closed. They came out with an improved design later on with the back of the lever cut down so that the hammer could fall if the slide was held open more than about a centimeter. The hammer doesn't strike the firing pin (or at least not with much force), and it won't fire a cartridge in that position.