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1/25/2018 7:38:29 AM
Posted: 9/8/2010 4:44:55 PM EST
the trim to length on a 45 acp is .888 the lenght of some of my cases is .895 others are .890 should i trim them or not
Link Posted: 9/8/2010 4:46:07 PM EST
[Last Edit: 9/8/2010 4:46:46 PM EST by CharlieHo]
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
Link Posted: 9/8/2010 4:51:33 PM EST
so leave them be even if they r beyond the trim to lenght
Link Posted: 9/8/2010 4:55:43 PM EST
I would check your manual for a max cartridge length, if you are worried about it.
Link Posted: 9/8/2010 5:01:06 PM EST
Link Posted: 9/8/2010 5:53:41 PM EST
Don't bother
Link Posted: 9/8/2010 6:28:38 PM EST
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

Link Posted: 9/8/2010 6:33:13 PM EST

Originally Posted By AssaultRifler:
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!!!
Link Posted: 9/8/2010 6:44:46 PM EST
Link Posted: 9/9/2010 12:40:19 PM EST
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?
Link Posted: 9/9/2010 1:33:35 PM EST
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.
Link Posted: 9/9/2010 4:50:17 PM EST
Originally Posted By machinisttx:
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.

Link Posted: 9/9/2010 8:48:34 PM EST
[Last Edit: 9/9/2010 8:49:25 PM EST by PDshooter]
N E V E R
Link Posted: 9/9/2010 9:06:48 PM EST
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.
Link Posted: 9/10/2010 9:19:31 AM EST
Originally Posted By PDshooter:
N E V E R


Link Posted: 9/10/2010 10:43:58 AM EST
I started trimming 45 this year to get a uniform crimp. I can think of no other reason to trim straight wall pistol cases.
Link Posted: 9/10/2010 11:49:37 AM EST
Originally Posted By 951bulldog:
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.
Link Posted: 9/10/2010 5:39:40 PM EST
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