Quote:
Originally Posted by ithacaartist
...CCI Stingers...
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Dave, is there any physical difference in Stinger dimension from a 'standard' .22 Long Rifle??? I am just reading here that the .22 rimfire is the only round with a bullet diameter the same as the case diameter...So the chamber depth is greater than in a centerfire cartridge. To cut a .22 LR chamber you have to add the bullet 'shoulder' length to the case length, minus the rim width...Because the .22 LR headspaces on the inside of the rim...And the headspace is kinda critical because if there's not enough, it goes "brrrrppppppp"...
I'm trying to measure the chamber depth in my .22's but the case wall is so thin and I only have a 7/32" drill bit to slide down the chamber...I can't get a good measurement...Somewhere around .761" is what I get...
