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post #1 of 9 (permalink) Old 10-10-2010, 10:41 PM Thread Starter
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cutting bullit casing's

Guy's can anyone help I was going to reload a bunch of 7mm bullits tonight but when I started measuring the cases I noticed that they are all anywhere from 1 to 5 10,000 longer than the maximum allowance of 2.500. They seem to all be in the range of 2.501 to 2.505 is this okay or should I have them trimmed.
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post #2 of 9 (permalink) Old 10-10-2010, 10:49 PM
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Re: cutting bullit casing's

Have they already been resized or do you need to resize them yet? If they have already been resized then just take an empty and chamber it in your rifle. If it closes easy then you are ok, if not then they will need to be trimmed.
If they have not been resized, once you do resize them they will stretch even more so they will have to be trimmed.
If you neck-size only the stretch will be minimal but it still might be too much with the longest cases.

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post #3 of 9 (permalink) Old 10-10-2010, 10:54 PM Thread Starter
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Re: cutting bullit casing's

yes they have been resized.
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post #4 of 9 (permalink) Old 10-10-2010, 10:55 PM
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Re: cutting bullit casing's

I'll assume you are loading for a 7 Remington Mag.

"By the book" the trim length is 2.490", maximum length 2.500". Generally speaking once a cartridge is .010" over the trim length it should be trimmed.

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post #5 of 9 (permalink) Old 10-10-2010, 11:00 PM Thread Starter
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Re: cutting bullit casing's

Yes Bill I am talking about a 7 rem m, and I did know that the length was 2.490 and the max was 2.500 but I wasn't sure what to do if it was larger than that. I couldn't find anything in my Hornday book and I am not that familiar with reloading yet but hopefully I will be some day.
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post #6 of 9 (permalink) Old 10-10-2010, 11:11 PM
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Re: cutting bullit casing's

Wild Bill is spot on with the recommended lengths. The chamber in your gun might dictate that it is OK with slightly longer case length. If you have any doubt then it is best to trim back to recommended length and then there is no question.

Our forefathers didn't bury their guns. They buried those that tried to take them.
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post #7 of 9 (permalink) Old 10-11-2010, 12:28 AM Thread Starter
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Re: cutting bullit casing's

Thanks guys I appreciate the info.
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post #8 of 9 (permalink) Old 10-11-2010, 05:16 PM
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Re: cutting bullit casing's

What the heck, we reload for something to do anyway..I always lightly lube mine and trim only if they are way over what they should be.. I then fire form them using a load about 3 or 4 grains under maximum..with todays JUNK brass you must watch you don't expand the primer pockets with too heavy of a load right off the bat...if you see rifling on a fired neck then she's way too long or heavy of a load.. I'vefound that W/W brass seems to be better overall than most of the other JUNK produced these days..I've only bought one new rifle over the last three years and I can only tell that after one firing of a load 3 under max the primer pockets stretched so much that they fell out and can't even have a new one seated...
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post #9 of 9 (permalink) Old 10-17-2010, 11:02 PM
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Re: cutting bullit casing's

Trim them back or you'll have lots of chambering problems..
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