When loading such straight sided rounds such as the 45 ACP how important is a case trimmer?
Assuming the cases are the correct length at the first firing, how often do they require trimming?
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Posts: 28849 | Location: western Nebraska | Registered: 27 May 2003
I used to shoot IPSC at about 50,000 rounds of 45 ACP a year. I bought a .452 pilot for my RCBS case trimmer but I never used it.
Frank
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Posts: 12607 | Location: Kentucky, USA | Registered: 30 December 2002
I have a 1911 that came home with me when I returned from SE Asia. It was pretty well used when I got it and has been shot a lot since. I've been loading ammo for it for at least 20 yrs. I have yet to trim a case. I load 230 gr round nose "hardball" or lead, and taper crimp. I'd guess some of the more refined 1911's could be sensitive to case length.
Posts: 8169 | Location: humboldt | Registered: 10 April 2002
I have yet to trim any of my straight wall cases. The only round I use my trimmer for is my 300 ultra mag. I put calipers on my other bottle necks but I feel they are all within specs.
Posts: 75 | Location: vancouver wa. | Registered: 17 December 2006
officialy its very important since the case headspaces on the mouth. unofficialy since pistol pressures are so low and there is negligable brass flow - not at all
I've never trimmed a 45acp case, usually lose them before they crack or lengthen. I have & do trim .357mag, 41 & 44mag & 45colts when shooting the higher pressure loads.
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Posts: 7752 | Location: kalif.,usa | Registered: 08 March 2001
