Quote:
Originally Posted by covey ridge
I have often thought that the .22 is so tiny that even a bit of overload could cause something like this. Thinking of the billions(?) of rounds mass produced I am surprised that this does not happen more often.
Other than that I would guess if the action was not closed but still manage to fire the pin, this might happen.
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It does happen
http://www.winchester.com/library/ne...rt-recall.aspx
"Winchester has determined the above lots of 22 Long Rifle rimfire ammunition
may contain double powder charges. Ammunition with double powder charges may subject the shooter or bystanders to a risk of serious personal injury and/or death, or cause firearm damage, rendering the firearm inoperable."