- Joined
- Dec 29, 2007
- Messages
- 4,954
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IMO...….. being shot.Very interesting, I wonder if the cupped heel is from the copper jacket being peeled back and the lead core wanting to move forward; or did it happen from the bullet being shot?
Mike, this bullet did better than the 300 Deep Curl of which you always speak highly.
Striking how much deeper the rifling is engraved as well as the cupped base. Definitely the powder charge difference obturation of the bullet. Be interesting to see the accuracy difference In the two loads. Bettin the 80 grain is more accurate. Love the tests Ron.Photo shows changes in bullet after being fired.
Top photo shows the unfired bullet next to the bullet shot using 80 grain Blackhorn powder. Bottom photo shows bullet fired using 50 grain Blackhorn powder next to bullet fired using 80 grain Blackhorn powder. It appears the 80 grain charge significantly cupped the heel of the bullet.
This shooting bullets without sabot sure is interesting; quite educational. Don't really know if it is meaningful, but it certainly is fun, and easy to do.
Over the years this collection of Deep Curl bullets was accumulated. Rifle used was probably an Omega X7, probably.
Been so long ago; am not sure what the load was. Thinking the short range load was 105 grain Blackhorn, crush rib sabot, W209 primer. The 200 yard, and 300 yard loads may have been 110 grain Blackhorn, could have been 105 grain, but don't think so.
Mike, this bullet did better than the 300 Deep Curl of which you always speak highly.
My fault..............you work from incomplete data..........how did you come to that conclusion?........
HECK YEAH thats what I'm talkin about. Now THATS A PERFORMING BULLET I'D GLADLY USE! Thank you for doing all this & in what appears to me to be done in all fairness. Well done & thank you.
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