Wed Jul 04, 2012 8:43 pm
Wed Jul 04, 2012 9:18 pm
Wed Jul 04, 2012 9:20 pm
Wed Jul 04, 2012 9:23 pm
Wed Jul 04, 2012 9:31 pm
Wed Jul 04, 2012 9:35 pm
The Burpster wrote:Hmmmmm I presume that the fired once brass was fired in your rifle....?
In which case do you mind me asking why you full sized them again...? If you are loading for accuracy then you really ought to just neck size when they are fireformed. This helps the case to sit snug in the chamber and allows the neck to align with the bore.
You only really need to full size if you are using an auto or semi auto rifle (unlikely in the UK)
Full sizing cases can cause some discrepancies in the cases depending on the amount of pressure used to form them. Your seating die may not be keeping the bullets in the center of the die because of play in it but most likely because the cases are 'floating' slightly as they go up into seating die allowing the bullets to flop to one side as they go into the neck.
No it wont harm your rifle but your accuracy will be all over the place. Bit like factory ammo.
Wed Jul 04, 2012 9:42 pm
Beer Hunter wrote:How did you set up your seating die?
Kev.
Wed Jul 04, 2012 9:46 pm
The Burpster wrote:Hmmmmm I presume that the fired once brass was fired in your rifle....?
In which case do you mind me asking why you full sized them again...? If you are loading for accuracy then you really ought to just neck size when they are fireformed. This helps the case to sit snug in the chamber and allows the neck to align with the bore.
You only really need to full size if you are using an auto or semi auto rifle (unlikely in the UK)
Full sizing cases can cause some discrepancies in the cases depending on the amount of pressure used to form them. Your seating die may not be keeping the bullets in the center of the die because of play in it but most likely because the cases are 'floating' slightly as they go up into seating die allowing the bullets to flop to one side as they go into the neck.
No it wont harm your rifle but your accuracy will be all over the place. Bit like factory ammo.
Wed Jul 04, 2012 9:51 pm
Wed Jul 04, 2012 9:54 pm
Wed Jul 04, 2012 9:56 pm
Foxyfil wrote:Thanks
The problem was that I have had two rifles, a Rem and a Howa, and my pot of cases were mixed brass from both rifles. I know I should have separated them but I never really considered reloading up to now.
I have heard their may be a tool on the market that can correct the run out
Wed Jul 04, 2012 9:58 pm
The Burpster wrote:Interesting article but it mentions nothing about how the rifle was mounted or shot, could there still be a human element involved in the resultant groups?
I agree that all rifles are different, and what works in one MAY not provide the same results in another. I have yet to find a rifle that I have owned that has not been significantly more accurate with neck sized fireformed brass.
Wed Jul 04, 2012 10:09 pm
Beer Hunter wrote:It was shot from a pair of heavy bags in windless conditions and the test was repeatable.
Do you know that the majority of the top bench-rest shooters full length size every time? Many FT guys will "shoulder bump" every loading (same as full length but not touching the neck) and then neck size.
Anyway - I digress..... test in your own rifle with your own reloading components and take nothing written on a forum as gospel.
Kev.
Wed Jul 04, 2012 10:13 pm
Wed Jul 04, 2012 10:18 pm
The Burpster wrote:Foxyfil wrote:Thanks
The problem was that I have had two rifles, a Rem and a Howa, and my pot of cases were mixed brass from both rifles. I know I should have separated them but I never really considered reloading up to now.
I have heard their may be a tool on the market that can correct the run out
If you have full length sized them then that shouldnt be an issue, what maybe an issue though is different makes of cases..... is their a mix of different cases in the batches or is all the brass from one maker and batch...?