The correspondent (to an e-mail list of which I'm a member) pointed out that #4 drywall anchors, such as this one (also known as wall plugs or dowels outside the USA) are almost exactly the same size as. That's why an e-mail hint today caught my attention. 22LR snap caps are offered by Midway.) Unfortunately, these don't last all that long in rimfire calibers - my experience is that they need to be replaced after between 10 and 20 uses - and as a result, it becomes expensive and inconvenient to continually replace them. To get around this problem, it's recommended to use so-called ' snap caps' (dummy rounds that cushion the blow of the firing pin, preventing damage to it or to the cylinder or chamber wall - as an example, these Pachmayr. These illustrations of the rear face of a pistol chamber and a rimfire revolver cylinder, courtesy of Calguns forum user Chaos47, show such indentations. When the gun's unloaded, the firing pin can impact the side of the chamber, leading to indentations in the metal and/or a broken firing pin. ![]() ![]() 22LR (or other rimfire cartridge) firearms. Like most careful shooters, I'm wary of dry-firing any.
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