How much neck tension for hunting loads?

TRyan

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L.Sherm

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I have often wondered if seating a bullet deeper or closer to the lands has to do with how far off the lands it is or more or less "grip" on the bullet.
 

Gone Ballistic

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Well, I run the neck tension that gets the best accuracy.
For example, my 300WM in my Kimber 8400 likes .0015” with 180gr Accubonds, but needs .003” with the 200gr Accubond.
My Sendero II in 300WM likes .003” with 210gr ABLR. My LR likes .0035” with the same bullet.

Cheers.
I sometimes have to admit that I have probably forgotten more than I know. Your response just reminded me one thing I missed checking when I was trying to dial 210 AccubondLR loads for my 300RUM. It shoots 5 shot groups with 200gr Accubonds at .232 but it took me forever to get the 210's under. 906.
Today, after experimenting with loads of various neck tension I was able to put 5 shots into a .301 group. Now I need to try trimming the powder to see if I can get it into the 2's.
Thanks again for ringing my memory clock and thanks even more for this wonderful site and you great folks who are willing and so giving of your information. This is what makes this site the best place possible for everyone who needs opinions and help from those who have experienced what others have not.
 

L.Sherm

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I have often wondered if seating a bullet deeper or closer to the lands has to do with how far off the lands it is or more or less "grip" on the bullet.
I guess I need to clarify a little, for accuracy sake was it the distance to the lands or grip that made it shoot better or worse.
 

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