.38 Special 158 grain LRN/SWC Crimp
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.38 Special 158 grain LRN/SWC Crimp
Does anyone have a dimension for crimp that they use for .38 Special when loaded with 158 grain LRN / SWC ?
I noticed when people recommend load data for .45 ACP we mention a crimp diameter. I don't hear abut crimp diameter much when reading through the conversations about .38 Special. People say to crimp it by what looks good. For the most part, that's what I've been doing.
I noticed the brass after being sized was measuring .372'' and when it was crimped it was .368''. I will be range testing the one box of ammunition I made yesterday. If it shoots good I'll leave the crimp alone, but if it doesn't I'll probably tighten the crimp some. But I suspect I'm in the right area.
I noticed when people recommend load data for .45 ACP we mention a crimp diameter. I don't hear abut crimp diameter much when reading through the conversations about .38 Special. People say to crimp it by what looks good. For the most part, that's what I've been doing.
I noticed the brass after being sized was measuring .372'' and when it was crimped it was .368''. I will be range testing the one box of ammunition I made yesterday. If it shoots good I'll leave the crimp alone, but if it doesn't I'll probably tighten the crimp some. But I suspect I'm in the right area.
Tim:H11- Posts : 2133
Join date : 2015-11-04
Age : 36
Location : Midland, GA
Re: .38 Special 158 grain LRN/SWC Crimp
I decided to keep things consistent by roll crimping my HBWC loads and my SWC loads. I use a Brazos coated 158 SWC, which has a crimp groove. Haven't shot enough to determine its accuracy, though.
EDIT: The reason I haven't tested much for accuracy is because I'm not sure how much DR I'll shoot over the next couple years, with CMP service revolver available now. I'm pretty much only loading HBWCs now.
Dave
EDIT: The reason I haven't tested much for accuracy is because I'm not sure how much DR I'll shoot over the next couple years, with CMP service revolver available now. I'm pretty much only loading HBWCs now.
Dave
Dcforman- Posts : 930
Join date : 2017-11-18
Age : 43
Location : Ohio
Wobbley- Admin
- Posts : 4820
Join date : 2015-02-12
LenV likes this post
Re: .38 Special 158 grain LRN/SWC Crimp
The crimp used worked good. I might even tighten it up another thousandth or two. Good groups, shots were on call.
Tim:H11- Posts : 2133
Join date : 2015-11-04
Age : 36
Location : Midland, GA
Re: .38 Special 158 grain LRN/SWC Crimp
IN 38 SPL I'VE FOUND THE BEST 50 YD ACCURACY CAME FROM USING THE REDDING PROFILE CRIMP DIE. IT'S A COMBINATION ROLL AND TAPER CRIMP. THIS WAS FOR LEAD BULLETS ONLY. 148GR AND UP. IT REALLY HELPS IN THE MDL 52.
JIMPGOV- Posts : 658
Join date : 2011-09-27
Sc0 likes this post
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