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Hunting
Long Range Hunting & Shooting
Full length resize or neck size only for y'all long range hunters?
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<blockquote data-quote="Old teacher" data-source="post: 837455" data-attributes="member: 48420"><p>Marlinproud: most of my .300 brass is in the fifth or sixth loadings. (Nosler brass) I have never had a cartridge labeled for a particular gun not fit into the chamber. Perhaps the neck sizer is set low enough that I am bumping the shoulder back a little without knowing it. It is difficult to get a really accurate measurement on a shoulder, but I will measure a few and see if I can notice any discernible difference. I do know that my accuracy increased in all three guns when I switched from full length to neck sizing. The whole point, I assume, of neck sizing is to create a case that fits perfectly into your chamber with no slop anywhere. One of the knocks on belted cases is that they headspace on the belt, not the shoulder, making them a little unstable in the chamber prior to firing. Necksizing, if you do not bump the shoulder back, creates a belted case that will headspace on the belt and the shoulder, creating a very stable situation in the chamber. Bumping the shoulder back creates a space between the shoulder and the front of the chamber, negating the advantage of necksizing . But, you are right about the fit. If the bolt won't close, the whole process becomes pretty moot.</p></blockquote><p></p>
[QUOTE="Old teacher, post: 837455, member: 48420"] Marlinproud: most of my .300 brass is in the fifth or sixth loadings. (Nosler brass) I have never had a cartridge labeled for a particular gun not fit into the chamber. Perhaps the neck sizer is set low enough that I am bumping the shoulder back a little without knowing it. It is difficult to get a really accurate measurement on a shoulder, but I will measure a few and see if I can notice any discernible difference. I do know that my accuracy increased in all three guns when I switched from full length to neck sizing. The whole point, I assume, of neck sizing is to create a case that fits perfectly into your chamber with no slop anywhere. One of the knocks on belted cases is that they headspace on the belt, not the shoulder, making them a little unstable in the chamber prior to firing. Necksizing, if you do not bump the shoulder back, creates a belted case that will headspace on the belt and the shoulder, creating a very stable situation in the chamber. Bumping the shoulder back creates a space between the shoulder and the front of the chamber, negating the advantage of necksizing . But, you are right about the fit. If the bolt won't close, the whole process becomes pretty moot. [/QUOTE]
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Full length resize or neck size only for y'all long range hunters?
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