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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bullet/case neck run out
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<blockquote data-quote="TOM H" data-source="post: 36064" data-attributes="member: 306"><p>Jon, If you turned your necks to .0145 thats is .029 add bullet dia and that is .337 less fired dia that leaves .008 so neck expands .004 each side now to see if it's worth the trouble I'd look for a black ring about 1/2 way down the neck and see if have thats even all the way around and if so that kind of know things are work. If not may want to turn necks to .015 or .0155 and see how they do or go more. You did alot of work on your existing dies but they didn't help you very much simple put your neck aligment is to the die and not the chamber if you make it to the chamber and your ojive are touching you get a pretty even jump with the bullets and lessen the chance of bullet distoration. If you marked the high side of that case used a set of inline dies loaded that round with the mark up your groups will be about the same without turning necks since your bullet distoration would be about the same(could do the same with regular diies). Br shooter mainly load from the neck up they know the body is concentric to the chamber as the neck so all they have to worry about is neck tension and seating depth. To me the trick is not the groups size but being able to shoot the same groups size every time. I don't want anyone to think my way is the only one some of us just get carried away. Good luck.</p></blockquote><p></p>
[QUOTE="TOM H, post: 36064, member: 306"] Jon, If you turned your necks to .0145 thats is .029 add bullet dia and that is .337 less fired dia that leaves .008 so neck expands .004 each side now to see if it's worth the trouble I'd look for a black ring about 1/2 way down the neck and see if have thats even all the way around and if so that kind of know things are work. If not may want to turn necks to .015 or .0155 and see how they do or go more. You did alot of work on your existing dies but they didn't help you very much simple put your neck aligment is to the die and not the chamber if you make it to the chamber and your ojive are touching you get a pretty even jump with the bullets and lessen the chance of bullet distoration. If you marked the high side of that case used a set of inline dies loaded that round with the mark up your groups will be about the same without turning necks since your bullet distoration would be about the same(could do the same with regular diies). Br shooter mainly load from the neck up they know the body is concentric to the chamber as the neck so all they have to worry about is neck tension and seating depth. To me the trick is not the groups size but being able to shoot the same groups size every time. I don't want anyone to think my way is the only one some of us just get carried away. Good luck. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bullet/case neck run out
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