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Rifles, Reloading, Optics, Equipment
Reloading
Neck Tension vs Bullet Seating & Release Pressure - Lessons Learned
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<blockquote data-quote="Mike Matteson" data-source="post: 2768155" data-attributes="member: 101791"><p>I started turning neck about 25yrs ago. Found it did improved my grouping. I also found some necks very uneven. I didn't use any special dies them either. RCBS either FL or NS dies. Whatever expander ball they supplied I used. I did move to neck sizing die about 25yrs too.</p><p>I change how I reload over the last few year again. Trying my first wildcat or I feel it's a wildcat cartridge now. </p><p>I have started using Redding FL bushing dies now. I cut all my necks for thickness and evenness now. So far I have been able to acheive my neck tension by bushing. I have felt that cutting necks for thickness and being even all the away round is a must. Others here disagree with that and that fine. Saying you don't need to do that., just use a mandreal to push the unevenness to the outside of the neck. it won't trouble the release of the bullet being push into the lands. </p><p>I feel different about that. I think that with the neck being uneven and the release of the bullet the thicker side of the case hit the chamber wall first and causing an even release of the bullet into the land by the gas buildup not being equal. I probably wrong, but I will get to test it shortly. </p><p>I have all the equipment to reload either way. My one rifle is a tighten neck size, and require a thinner neck. I have standard chambers rifles, and I will be able to see if there a difference in grouping. By cutting for neck thickness and using a bushing die to set tension or not cutting the neck for thickness. Undersizing the neck and expanding the neck with a mandrel. To see how the grouping goes. The other is one more step in setting up your brass, and the working of the neck one more time. With everything being equal and you do it the same way each time you will be consistent if nothing else.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 2768155, member: 101791"] I started turning neck about 25yrs ago. Found it did improved my grouping. I also found some necks very uneven. I didn't use any special dies them either. RCBS either FL or NS dies. Whatever expander ball they supplied I used. I did move to neck sizing die about 25yrs too. I change how I reload over the last few year again. Trying my first wildcat or I feel it's a wildcat cartridge now. I have started using Redding FL bushing dies now. I cut all my necks for thickness and evenness now. So far I have been able to acheive my neck tension by bushing. I have felt that cutting necks for thickness and being even all the away round is a must. Others here disagree with that and that fine. Saying you don't need to do that., just use a mandreal to push the unevenness to the outside of the neck. it won't trouble the release of the bullet being push into the lands. I feel different about that. I think that with the neck being uneven and the release of the bullet the thicker side of the case hit the chamber wall first and causing an even release of the bullet into the land by the gas buildup not being equal. I probably wrong, but I will get to test it shortly. I have all the equipment to reload either way. My one rifle is a tighten neck size, and require a thinner neck. I have standard chambers rifles, and I will be able to see if there a difference in grouping. By cutting for neck thickness and using a bushing die to set tension or not cutting the neck for thickness. Undersizing the neck and expanding the neck with a mandrel. To see how the grouping goes. The other is one more step in setting up your brass, and the working of the neck one more time. With everything being equal and you do it the same way each time you will be consistent if nothing else. [/QUOTE]
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Neck Tension vs Bullet Seating & Release Pressure - Lessons Learned
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