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Old January 19, 2010, 01:17 AM   #5
frogsaw
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Join Date: June 30, 2007
Posts: 85
The "ring" that you speak of must be the canilure. Bullets that are used in cartridges that are intended to be crimped are manufactured with this feature. The rule of thumb is canilure=crimp and no canilure=no crimp, this rule applies to both rifle and pistol bullets. This crimp in the case of 30-30 rounds prevents the bulet from being pushed further back in the case mouth when loaded in a tubular fed magazine that is common to rifles that fire this round.

When seating bullets with a canilure, I seat the bullet to a depth that allows the case mouth to cover about 1/2 of the canilure, and then I crimp it. It will be important for all of you brass to be trimmed to the same length to provide the most consistant crimps and results.

PM me anytime with your questions, and I will get you pointed in the right direction when I can.

I hope this helps.

Last edited by frogsaw; January 19, 2010 at 01:32 AM.
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