Widder, SASS #59054 Posted December 30, 2020 Share Posted December 30, 2020 How much bullet movement is acceptable under recoil? Example: I have a Ruger SBH Hunter in .45 Colt. I load em up HOT... pretty dern hot. Magnum type hot. I put 6 mic'd rounds in the cylinder and fire 5. Then I mic the 6th round. The bullet creeped forward approx .007 I put that particular round back in the revolver and fire 5 more. I mic that same round again, which didn't creep forward a frogs hair. Basically, the 1st 5 shots made the unfired round creep a little, but stayed inside the cannelure area. During the 2nd 5 shots, it maintained its OAL and did not move out of the cannelure. Personally, I'm getting excellent performance and feel no reason to change my crimping process, but I was wondering what some of you might think based on your experience. Thanks ..........Widder Link to comment Share on other sites More sharing options...
Michigan Slim Posted December 30, 2020 Share Posted December 30, 2020 Measure after the first shot. I'd wager that's when the initial movement occurred. If they are still in the crimp groove you don't have an issue anyways. I m thinking. Link to comment Share on other sites More sharing options...
Krazy Kajun Posted December 30, 2020 Share Posted December 30, 2020 Widder, you probably have some banana split juice lube still left inside those cases. You'll need to get of TW ta remove that lube! Kajun Link to comment Share on other sites More sharing options...
Muleshoe Bill SASS #67022 Posted December 30, 2020 Share Posted December 30, 2020 Measure each BEFORE you shoot any Link to comment Share on other sites More sharing options...
bgavin Posted December 30, 2020 Share Posted December 30, 2020 Thinking it through from the bullet's point of view... that cannelure has to be wider than 0.007". If the crimped edge is placed closer to the bullet nose in the cannelure, is it possible that .007" is when the primer side of the cannelure finally comes to bear against the crimp? Link to comment Share on other sites More sharing options...
SHOOTIN FOX Posted December 31, 2020 Share Posted December 31, 2020 If it ain’t broke, don’t fix it. Link to comment Share on other sites More sharing options...
J. Mark Flint #31954 LIFE Posted December 31, 2020 Share Posted December 31, 2020 I'm not as smart as some of you-but I expect that with hard cast bullets or jacketed bullets you are going to crush the case if you crimp much harder. With soft bullets you'll be digging in and causing some deformation which may or may not affect accuracy. I'd suggest that you put the guns away and get drunk and if it still bothers you. . . you aren't drunk enough Link to comment Share on other sites More sharing options...
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