DragonFire
Member
I ran into problems while shooting my S&W 646 revolver, which uses .40S&W rounds in moonclips. Some moonclips were nearly impossible to eject without pressing the ejector rod against a bench or something else as solid.
I sent the revolver back to Smith & Wesson and they replaced the cylinder. When the revolver came back it seemed worse than before. To their credit Smith offered to work on it again. But while talking to the smith who worked on it, the subject of what ammo I was using came up.
I reload, of course. So I went to the range with several batches of my reloads and a box of factory. First off, the factory rounds seemed much hotter than my rounds (which were developed with IDPA in mind, so they are on the mild side). Results were most moon-clips with my reloads were difficult to very hard to eject, while all of the moonclips with factory ammo came out easily. A surprising event was when a couple of RIMZ moonclips wouldn't fit around the cylinder when loaded, but would fit empty.
So I started measuring the fired cases. According to my loading manuals the diameter of a .40S&W case should be .424 at the bottom of the case. All the factory rounds measured around .423. Most of my reloaded cases measured a little higher, but a few of the cases measured .430. So I measured unfired rounds. Factory ammo measured .420 (under the spec), and my reloaded rounds measure between .424 and .431.
I do my loading on a Dillon Square Deal B, which I thought which resizes the entire base. That obviously isn't happening.
I buy most of my cases as "once fired". Most of my .40 reloads are shot in a Glock 27, and the rest through a Taurus PT100. I had heard that cases shot in Glocks couldn't/shouldn't be used in non-Glocks but have never had any problems until now.
Has anyone else experienced this problem with Glock brass? Should I attribute my problems with my revolver to this, so the solution would be to keep a batch of cases exclusively for my revolver and keep my Glock brass separate from them. Or should I continue to look for a problem with the revolver stickage? If so, any ideas?
I sent the revolver back to Smith & Wesson and they replaced the cylinder. When the revolver came back it seemed worse than before. To their credit Smith offered to work on it again. But while talking to the smith who worked on it, the subject of what ammo I was using came up.
I reload, of course. So I went to the range with several batches of my reloads and a box of factory. First off, the factory rounds seemed much hotter than my rounds (which were developed with IDPA in mind, so they are on the mild side). Results were most moon-clips with my reloads were difficult to very hard to eject, while all of the moonclips with factory ammo came out easily. A surprising event was when a couple of RIMZ moonclips wouldn't fit around the cylinder when loaded, but would fit empty.
So I started measuring the fired cases. According to my loading manuals the diameter of a .40S&W case should be .424 at the bottom of the case. All the factory rounds measured around .423. Most of my reloaded cases measured a little higher, but a few of the cases measured .430. So I measured unfired rounds. Factory ammo measured .420 (under the spec), and my reloaded rounds measure between .424 and .431.
I do my loading on a Dillon Square Deal B, which I thought which resizes the entire base. That obviously isn't happening.
I buy most of my cases as "once fired". Most of my .40 reloads are shot in a Glock 27, and the rest through a Taurus PT100. I had heard that cases shot in Glocks couldn't/shouldn't be used in non-Glocks but have never had any problems until now.
Has anyone else experienced this problem with Glock brass? Should I attribute my problems with my revolver to this, so the solution would be to keep a batch of cases exclusively for my revolver and keep my Glock brass separate from them. Or should I continue to look for a problem with the revolver stickage? If so, any ideas?