taz24 Posted February 10, 2008 Report Share Posted February 10, 2008 (edited) Before I had a pair of plastic snap caps I wanted to test my new gun so I picked up a few used cartridges out of a pile of used ones in a skip at a clay shoot site I use (Id forgotton to keep a few of my own empties). When I got home and after cleaning I tried the used carts in my gun and when I tried to close it up both carts failed to go into the barrels. I took them out swapped them around and tried several times in the end I bent the brass casing base of one of the carts and it jammed in the ejector. I was worried as you may imagine. I placed two unused carts in the gun and they were fine. So long intro to a quick question. Do some guns vary slightly in breech diamiter enough to cause the cartridge base to expand enough not to fit into another gun? Or could the other gun be warn slightly so the carts were expanding beoynd the limit of a normal 12g? Thanks taz Edited February 10, 2008 by taz24 Quote Link to comment Share on other sites More sharing options...
MC Posted February 10, 2008 Report Share Posted February 10, 2008 Yes taz the cartridges do expand when fired so they wont fit into a gun, the brass section expands to the chamber size of the gun it was fired from. A new cartridge in slightly smaller so it fits. Even a catridge fired from your gun may not fit back in later. Quote Link to comment Share on other sites More sharing options...
taz24 Posted February 10, 2008 Author Report Share Posted February 10, 2008 Yes taz the cartridges do expand when fired so they wont fit into a gun, the brass section expands to the chamber size of the gun it was fired from. A new cartridge in slightly smaller so it fits. Even a catridge fired from your gun may not fit back in later. Ok thankyou. taz. Quote Link to comment Share on other sites More sharing options...
starlight32 Posted February 10, 2008 Report Share Posted February 10, 2008 Yes taz the cartridges do expand when fired so they wont fit into a gun, the brass section expands to the chamber size of the gun it was fired from. A new cartridge in slightly smaller so it fits. Even a catridge fired from your gun may not fit back in later. That is why when you reload it is imperitive you 'resize' the case, to counteract the expansion. Regards starlight32 Quote Link to comment Share on other sites More sharing options...
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