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12-08-2009, 11:42 AM
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.32 auto in a .32 H&R Revolver?
As it says, I am asking about firing .32 auto ammo in a 432PD revolver. I think I have read that this can work since the bore size is the same(?) and the .32 auto has a rim. It will chamber and headspace in the chambers of my 432. I am sure this has come up before, so forgive asking it again. As we all know, finding ammo is a problem for most of us and .32 H&R Mag/.32 S&w Long seems to be in the category of unicorns and hen's teeth. I can find .32 auto fairly readily.
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12-08-2009, 12:25 PM
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Yes it can be done. I've done it. (no one officially condones it). As long as your gun is modern and has no defects, it shouldn't be a problem.
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Chris
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12-08-2009, 01:06 PM
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I second the above - I've done it and it works fine. I'm sure the usual "only use the ammo designed for your blah blah blah" applies.
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“What you got, ain’t new.”
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12-08-2009, 02:18 PM
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WORKS GREAT. DON'T HESITATE. JP
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12-08-2009, 06:18 PM
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Thanks!
I appreciate your opinions and shared experience. I knew there was a good reason to join this forum! I have found a good amount of .32 auto around here. Its not magnum ammo but its better than nothing...Thanks again...Frizz
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12-08-2009, 08:19 PM
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My Lyman .32 H&R dies are marked .32 H&R Magnum, .32 S&W Long, and .32 ACP, so if the dimensions other than length are any different, its not by much. I've never tried it, mostly due to being a handloader and not having anything chambered for .32 ACP, but I might eventually.
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12-09-2009, 01:50 AM
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The 32 Auto is not a high pressure cartridge, but it the data I have shows it to be rated for higher pressure than 32 S&W or 32 S&W Long.
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6/23/2022
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12-09-2009, 12:39 PM
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Yes, looking at my Lyman reloading book, it appears that the pressures for the .32 auto are greater than the .32 S&w Short and Long but less that the .32 H&R Mag. The 432 should easily handle the pressures from the .32 auto. I am not sure about the issue of chamber erosion from firing the short cartridge in the longer chambers. I would like it, if it could handle the pressures of the .327 Mag after being bored for that BUT I wouldn't try it. Besides, I can't find any of that either. For factory plinking and last resort SD ammo, the .32 auto will do until sanity returns...if it ever does...Thanks
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12-09-2009, 05:06 PM
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32acp,,, less SAAMI max pressure than the 32mag (but not by much),,,,more than the 32S&WLong .
32acp will have excessive headspace issue ( .010") in any firearm properly chambered for 32S&W, 32S&WLong, 32S&Wmag
Any other firearm undergoing a headspace check would be quickly benched if found to be that far out of spec. Even a lowly .22rf.
Yes it's done and done alot. If done at all, safer as far as the cylinder containing the pressures are concerned on a 32magnum chambering than a 32S&W or 32S&WLong only revolver.
It's that headspace issue that can really damage or destroy things.
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