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Rifles, Reloading, Optics, Equipment
Reloading
Do I need to neck turn?
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<blockquote data-quote="AZShooter" data-source="post: 782604" data-attributes="member: 5219"><p>Great package! You have enough clearance based on the dimensions you posted. </p><p></p><p>My friend Dan, a 1000 BR shooter, runs a 7 SAUM for his light gun. He is also necking down the 300 SAUM. He uses .001" clearance per side BUT he turns the necks. He also turns them every time before reloading them. With such a small amount of release he has no room for error. His rifle won best agg, tightest group and high score first time out! He shoots the 180 hybrid target. </p><p></p><p>You are running .0025" per side IF every piece of brass has the same neck thickness. There is some springback after firing. I also have a snug neck with my 7mm/375 Ruger after firing and cannot push a bullet down the neck by hand and it is running .003" clearance per side . FYI all cases were turned to .0135" to fit a .317 neck. </p><p> </p><p>Did you measure every loaded round? Perhaps a few got by you that were thicker. It won't hurt performance to skim turn all cases to ensure the neck wall thicknesses are the same. I would bet there are a few that are thicker. This would also help with consistent neck release.</p><p></p><p>Perhaps there is more bearing surface on the 162 hornady match bullet than the 168 VLD causing your load to appear to be too hot. There could be other factors in your particular rifle and the reason we have to start low and observe how the individual rifle responds. </p><p></p><p>Be sure to share anything you learn as you continue to work with your new rifle.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 782604, member: 5219"] Great package! You have enough clearance based on the dimensions you posted. My friend Dan, a 1000 BR shooter, runs a 7 SAUM for his light gun. He is also necking down the 300 SAUM. He uses .001" clearance per side BUT he turns the necks. He also turns them every time before reloading them. With such a small amount of release he has no room for error. His rifle won best agg, tightest group and high score first time out! He shoots the 180 hybrid target. You are running .0025" per side IF every piece of brass has the same neck thickness. There is some springback after firing. I also have a snug neck with my 7mm/375 Ruger after firing and cannot push a bullet down the neck by hand and it is running .003" clearance per side . FYI all cases were turned to .0135" to fit a .317 neck. Did you measure every loaded round? Perhaps a few got by you that were thicker. It won't hurt performance to skim turn all cases to ensure the neck wall thicknesses are the same. I would bet there are a few that are thicker. This would also help with consistent neck release. Perhaps there is more bearing surface on the 162 hornady match bullet than the 168 VLD causing your load to appear to be too hot. There could be other factors in your particular rifle and the reason we have to start low and observe how the individual rifle responds. Be sure to share anything you learn as you continue to work with your new rifle. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Do I need to neck turn?
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