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Rifles, Reloading, Optics, Equipment
Reloading
Body die or full length sizing die to bump shoulder .002
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<blockquote data-quote="Mike Matteson" data-source="post: 2390392" data-attributes="member: 101791"><p>I follow, but. Part of what have been said is the bushing die doesn't fully size the neck even used in a normal sizing job, to start with. So off to the Smith and talk shop. They had been closed last week, but open up this morning. Rome wasn't built in a day, and neither will this rifle. Interesting where things lead you to. Thanks for the input. I have always like to learn something new. </p><p>The part the bushing FL dies don't totally size the neck in a normal sizing job to start with, if I understand correctly. This is the first time in using bushing dies. I am going to back several years ago. I use a 308 NM rifle. To the shoulder is shorter than a 300 WM, but the neck is longer. Now I do use and resize a 300 WM case to 380 NM case. With using a FL sizing die, I did experience case separation at the base within a few firing. Changing over to a 300 WM neck sizing die, that stop the case separation. You probably know the neck length in the 300 WM is shorter than the 308NM. So it left a portion of the neck to chamber size. Accurate improved some. The only problem after that was losing primer pockets after about 10 to 12 firing. So stop the case separation, which most people moved away the belted cases, because of the separation. In my other belted mags I move the die up some to not bump the shoulder back or use neck sizing dies and don't fully size the neck to the shoulder. If I get a tight chambering with the case then I bump them back. Which I never though to call it bumping back, like the Long Range shooter do, and only a few thousands. So I have been doing for a long time bump back and didn't think of it being a bump back process.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 2390392, member: 101791"] I follow, but. Part of what have been said is the bushing die doesn't fully size the neck even used in a normal sizing job, to start with. So off to the Smith and talk shop. They had been closed last week, but open up this morning. Rome wasn't built in a day, and neither will this rifle. Interesting where things lead you to. Thanks for the input. I have always like to learn something new. The part the bushing FL dies don't totally size the neck in a normal sizing job to start with, if I understand correctly. This is the first time in using bushing dies. I am going to back several years ago. I use a 308 NM rifle. To the shoulder is shorter than a 300 WM, but the neck is longer. Now I do use and resize a 300 WM case to 380 NM case. With using a FL sizing die, I did experience case separation at the base within a few firing. Changing over to a 300 WM neck sizing die, that stop the case separation. You probably know the neck length in the 300 WM is shorter than the 308NM. So it left a portion of the neck to chamber size. Accurate improved some. The only problem after that was losing primer pockets after about 10 to 12 firing. So stop the case separation, which most people moved away the belted cases, because of the separation. In my other belted mags I move the die up some to not bump the shoulder back or use neck sizing dies and don't fully size the neck to the shoulder. If I get a tight chambering with the case then I bump them back. Which I never though to call it bumping back, like the Long Range shooter do, and only a few thousands. So I have been doing for a long time bump back and didn't think of it being a bump back process. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Body die or full length sizing die to bump shoulder .002
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