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I’m starting to load.30-30 and have a question regarding crimping. I do not crimp .32-20 cases and get good accuracy (I load single rounds into the chamber). I understand that if I load multiple rounds crimping is a necessity, but would it be advisable or would there be an advantage (specially accuracy) to not crimping .30-30 rounds and loading single rounds? Thanks, Tom
TomJ, you state that you load single rounds into the chamber, I hope that is not what you do during an official match. Read the rules, all rounds must be loaded from the magazine. I know a bloke that will disqualify you from the National matches if you single load into the chamber, just sayin'.
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Bogan Gate Game Ranch
To clarify on the point that Taps made, you are allowed to load one round at a time but it must be done through the magazine instead of directly into the chamber through the ejection port. This is how I load my 30-30 rounds for cowboy lever action matches and do not crimp. There's a noticeable difference in point of impact for me with five rounds (four in magazine plus one in the chamber) versus one round loaded in my rifle, so I only single load. That makes crimping or not when loading all five rounds irrelevant for me. You may want to do the same test to see if you should even care about this.
I guess that I should have made it clear that I load one round at a time into the magazine then chamber it. Think I’ll experiment trying no crimp. Thanks to everyone for your comments, Tom
Hey TAPS you tell them Brother...Taps wrote: ↑Tue Dec 05, 2017 2:17 pmTomJ, you state that you load single rounds into the chamber, I hope that is not what you do during an official match. Read the rules, all rounds must be loaded from the magazine. I know a bloke that will disqualify you from the National matches if you single load into the chamber, just sayin'.
As for crimping them well my 32-20 works so much better when the cases are crimped and everything has the same resistance... Just Saying?
I as well only load 1 at atime through the magazine. But when doing some testing i found that crimping improved the grouping by quite a large amount. I found this in my 30-30 as well as my 357. I single load both guns because it makes me take my time a bit more and gives me a chance to set the gun down. So you will have to decide if your gun shoots better with or without a crimp is the only way to know for sure.
Since there is no gauge to tell how much crip you put on a case all i can say is TEST TEST TEST. I am a firm believer in testing. I go through a bunch of bullets powder and primers to be sure what my gun likes. Statr with a lite crimp and work your way up looking for presure signs and group size.
Get a Lee .002 undersize mandrel (order from Lee)- this will minimize the amount of crimp you need.
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