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Discussion Starter · #1 ·
My .38 has seen better days and in anticipation of a generous tax man I've been shopping for a new revolver. Someone I would consider knowledgeable about this subject told me that it was possible to fire .40 S&W out of a 10mm revolver, only much later did it occur to me to ask this- Is it possible to use both 10mm and 40 S&W ammo out of a .41 mag revolver, or would I both ruin the pistol and never be able to high five anyone again?
 

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You can fire a .40 in a 10mm. But a .41 mag case is .435 with a .410 bullet
while .40/10mm is .425 case with a .400 bullet/ plus 40/10 are rimless cases, so you have to run moon clips.

The only 10mm revolver that I know about is S&W 610
 

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Discussion Starter · #3 ·
bah, though it would be cool if a pistol were compatible with three different calibers. guess I'll stick with a .357 as a replacement, as I don't trust my original revolver to operate safely after surviving a fire. plus the grips are all melty too...

thanks for the info Duc!
 

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You could get a SW 686 or one of my favorites the 627 V-Comp and have the cylinder cut of moon clips. A buddy of mine does this and runs anything with a .335 to .357 bullet, so 9mm, 9x21. 38 super 9x23 .38 spl .357 mag
 

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Years back there was a cylinder conversion available for the S&W 19 that would let you chamber any .38/.357/9mm cartridge without using full/half-moon clips. IIRC, the ejector star went nearly half-circle around the cartridge and grabbed the rebated rim of the 9mm. Somehow it would move out of the way on a conventional rimmed round and come into grab the non-rimmed one. It was stupidly expensive though, like 2x the cost of the gun. It got a lot of play in the early 80's when it seemed like outright handgun bans would happen. If you could only get one, one that would chamber multi-calibers seemed practical.
 
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