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flyguy958 · December 15, 2009, 01:06 PM

Thanks for the replies, and I'll try to remember "neck tension".

I did not consider aging to be a factor, but I see where it could have some definite affects. Seems all the little things add up.

Seeing that the temper of the brass has a good bit to do with how the sizing die preforms it also stands to reason the same neck tension with different brass hardness will result in a totally different "grip" on the bullet.

December 15, 2009, 01:06 PM	#5
flyguy958 Senior Member Join Date: June 27, 2009 Location: SC Posts: 200	Thanks for the replies, and I'll try to remember "neck tension". I did not consider aging to be a factor, but I see where it could have some definite affects. Seems all the little things add up. Seeing that the temper of the brass has a good bit to do with how the sizing die preforms it also stands to reason the same neck tension with different brass hardness will result in a totally different "grip" on the bullet.