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Hunting
Long Range Hunting & Shooting
A question about bumping the shoulder?
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<blockquote data-quote="Orange Dust" data-source="post: 1717152" data-attributes="member: 92702"><p>I really dont think i have been clear. I dont think you need this die if you are running a hot 65000psi magnum. The primer pockets will expand before the beass wears out. The .002 bump is the recommended amount for minimual stretch above the web. 0 and .001 are fine too as long as it will chamber in your gun. The idea behind the bump die is to eliminate having to fl size after a couple of loadings just neck sized. In either case you want to set back the shoulder a minimual amount just so the round will chamber. Shoot for .002 max if you are measuring. Dont overthink this. Hope this is a better explanation. If you want to play with a new die, get a sinclair neck expander and some mandrels. Disable the expander in your sizing die. Expand the necks in the sinclair die. This will likely tighten groups at LR, but it will also most likely lower youe ES on velocity.</p></blockquote><p></p>
[QUOTE="Orange Dust, post: 1717152, member: 92702"] I really dont think i have been clear. I dont think you need this die if you are running a hot 65000psi magnum. The primer pockets will expand before the beass wears out. The .002 bump is the recommended amount for minimual stretch above the web. 0 and .001 are fine too as long as it will chamber in your gun. The idea behind the bump die is to eliminate having to fl size after a couple of loadings just neck sized. In either case you want to set back the shoulder a minimual amount just so the round will chamber. Shoot for .002 max if you are measuring. Dont overthink this. Hope this is a better explanation. If you want to play with a new die, get a sinclair neck expander and some mandrels. Disable the expander in your sizing die. Expand the necks in the sinclair die. This will likely tighten groups at LR, but it will also most likely lower youe ES on velocity. [/QUOTE]
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A question about bumping the shoulder?
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