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Author Topic: Nosler ballistic tip crimping??? Do or dont?  (Read 553 times)

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Offline Dalton Masterson

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Nosler ballistic tip crimping??? Do or dont?
« on: November 20, 2005, 06:03:03 PM »
I am reloading for my wifes 243 Browning BLR. Before I was using Hornady SST 95gr, and 41 gr. 3100.
Decided to try the 95 gr Noslers without the cannelure groove. After destroying 5 or 6 cases, I decided maybe I better ask if I should crimp these or not. Or are they relegated to my bolt action? Thanks. DM
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Offline ButlerFord45

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Nosler ballistic tip crimping??? Do or don
« Reply #1 on: November 20, 2005, 06:13:51 PM »
It's late and I could be missing something, but isn't the BLR stack magazine fed?  If so, then they should be fine without crimping.
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Offline Dalton Masterson

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Nosler ballistic tip crimping??? Do or don
« Reply #2 on: November 20, 2005, 06:39:45 PM »
Yes it is mag fed, and you are right. Problem is I couldnt even put a light crimp on them without buckling cases. Whats the secret.
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Offline John

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Nosler ballistic tip crimping??? Do or don
« Reply #3 on: November 21, 2005, 03:55:09 AM »
No crimp at all should be just fine.
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Offline Lone Star

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Nosler ballistic tip crimping??? Do or don
« Reply #4 on: November 21, 2005, 04:10:57 AM »
It is generally accepted that bullets without a crimp groove should not be crimped.  Lee did make their "factory crimp" die, and got into a rather heated public dispute with Speer in the slick adverts for awhile.  While the Lee equipment did allow crimping bullets without a cannelure without destroying the case, bullet makers weighed in against the practice.  

IMO if the bullet does not have a crimp groove, it should not be crimped.  I never crimp bullets used in stack magazines regardless of the presence of a crimping groove.
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Offline june6th1944

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Nosler ballistic tip crimping??? Do or don
« Reply #5 on: November 21, 2005, 05:26:58 AM »
As others have noted, do not crimp bullets if it's not necessary--I would crimp if loading for a Winchester 94 .30-30 for example.  

I would never crimp a bullet without a cannelure--its ballistics will be changed because pressures will change around the bullet depending upon the crimp.  These changes might be miniscule, but if you are looking for sub-one inch accuracy then crimping will affect that accuracy.  You should be able to get sub-one inch results out of a Browning BLR, it locks up like a bolt action.  You'll just need to experiment with various powders and grain loadings.

Good luck.
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Offline Dalton Masterson

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Nosler ballistic tip crimping??? Do or don
« Reply #6 on: November 21, 2005, 07:23:14 AM »
Thanks guys, No crimp it is. Yes, that Browning is a sub 1 inch gun. DM
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