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Old January 24, 2012, 09:45 AM   #4
carguychris
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Join Date: October 20, 2007
Location: Richardson, TX
Posts: 7,523
Quote:
This is a rimfire gun so is the .32 S&WL rimfire?
No, the .32 S&W Long is a centerfire cartridge.

Are you quite sure it's rimfire? Every H&R 632 I've ever examined has been .32 S&W Long, and I was under the impression that the only other caliber H&R offered was .32 S&W, which is also centerfire. However, I'm far from being an H&R expert, so YMMV.

FWIW for some years, H&R marked many of their .32 S&W (not Long) guns with a non-standard ".32 H&R" caliber rollmark. This refers to a slightly lengthened version of .32 S&W produced in the 19th century for Merwin-Hulbert twist-open revolvers; H&R chambered their guns for this round because MH-branded ammo was still on store shelves at the time, but they renamed it to avoid putting their rival's name on their guns, a common practice at the time. .32MH / .32 H&R subsequently went obsolete and was dropped from commercial production, but it reportedly took H&R quite a few years to stop using the designation. However, I'm not sure if this marking was ever used on the 632.

Two important notes:
  • Do NOT confuse .32 H&R with .32 H&R Magnum. As stated in earlier posts, this gun is NOT chambered in .32 H&R Magnum; the Magnum rounds shouldn't fit in it, but if they do, THEY SHOULD NOT BE FIRED. This may result in a gun-destroying and shooter-injuring kB!
  • The common .32ACP (aka .32 Auto or 7.65 Browning) round probably WILL fit in this gun, but I strongly recommend against using it. First, .32ACP is loaded to higher pressures than .32 S&W and .32 S&W Long, which may damage this gun. Second, the bullets are much lighter than those typically used for .32 S&W Long, which usually results in poor accuracy. Third, the undersize rims used on the .32ACP case may cause ejection problems that could damage parts on your revolver.
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