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Posted: 9/8/2010 5:46:07 PM EDT
[#1]
I've never trimmed a straight wall pistol case.
I usually lose them before any maintenance needs done. I have probably over a dozen reloads on many cases, they're all still GTG |
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Posted: 9/8/2010 5:51:33 PM EDT
[#2]
so leave them be even if they r beyond the trim to lenght
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Posted: 9/8/2010 5:55:43 PM EDT
[#3]
I would check your manual for a max cartridge length, if you are worried about it.
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Posted: 9/8/2010 6:01:06 PM EDT
[#4]
I have never trimmed 9mm or 45 ACP brass.
I just debur it before the first loading. |
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Posted: 9/8/2010 6:53:41 PM EDT
[#5]
Don't bother
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Posted: 9/8/2010 7:28:38 PM EDT
[#6]
15+ years ago I bought some new IMI 357 brass from widners and figured I needed to trim it. I trimmed it on a RCBS Rotary Case Trimmer 2.
15+ years later the brass is still shorter than all my other 357 brass |
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Posted: 9/8/2010 7:33:13 PM EDT
[#7]
Quoted: 15+ years ago I bought some new IMI 357 brass from widners and figured I needed to trim it. I trimmed it on a RCBS Rotary Case Trimmer 2. 15+ years later the brass is still shorter than all my other 357 brass thats awesome!!! |
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Posted: 9/8/2010 7:44:46 PM EDT
[#8]
Let's see now 40+ years reloading, 100,000+ rounds reloaded, most of them pistol, I've never trimmed a pistol case. Many years competed in PPC in the Master class, so this wasn't plinking.
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Posted: 9/9/2010 1:40:19 PM EDT
[#9]
Why don't you trim pistol cases? What's the difference between a rifle case that has to be trimmed and a pistol case that doesn't? Chamber pressure?
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Posted: 9/9/2010 2:33:35 PM EDT
[#10]
Most people will say you don't need to worry about it at all. I usually trim them once to make sure the case lengths are uniform, and after that don't worry much about it. If I'm loading something heavy(.357 mag/.44 mag/.45 Colt), I trim the brass regularly to make sure the length, and therefore crimp, is uniform and consistent.
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Posted: 9/9/2010 5:50:17 PM EDT
[#11]
Quoted:
Most people will say you don't need to worry about it at all. I usually trim them once to make sure the case lengths are uniform, and after that don't worry much about it. If I'm loading something heavy(.357 mag/.44 mag/.45 Colt), I trim the brass regularly to make sure the length, and therefore crimp, is uniform and consistent. My SOP as well. |
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Posted: 9/9/2010 9:48:34 PM EDT
[#12]
N E V E R
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Posted: 9/9/2010 10:06:48 PM EDT
[#13]
I always trim my 45 cases to get uniform length. Theres a few thats .887 or .886...ill load them up anyway. Check out some factory unfired case lengths....they are all over the place but fire good enough for the average shooter.
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Posted: 9/10/2010 10:19:31 AM EDT
[#14]
Quoted:
N E V E R |
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Posted: 9/10/2010 11:43:58 AM EDT
[#15]
I started trimming 45 this year to get a uniform crimp. I can think of no other reason to trim straight wall pistol cases.
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Posted: 9/10/2010 12:49:37 PM EDT
[#16]
Quoted:
Why don't you trim pistol cases? What's the difference between a rifle case that has to be trimmed and a pistol case that doesn't? Chamber pressure? yep nowhere near rifle chamber pressure. |
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Posted: 9/10/2010 6:39:40 PM EDT
[#17]
Quoted:
Most people will say you don't need to worry about it at all. I usually trim them once to make sure the case lengths are uniform, and after that don't worry much about it. If I'm loading something heavy(.357 mag/.44 mag/.45 Colt), I trim the brass regularly to make sure the length, and therefore crimp, is uniform and consistent. With revolver rounds, I always trim and debur the first time I load them. Only way to get the mouths square and cases the same length. Which you need if you seat bullets mid cannelure ( 32 mag, 357, 44 mag) and roll crimp. Note my previous answer was no trim, but that was with semi auto rounds, 9mm, 45 ACP. |
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