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Lyman Press - Problems!!!

 
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  #1  
Old 08-28-2006, 08:48 AM
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Lyman Press - Problems!!!

Hello Guys,

I'm really NEED YOUR HELP!!
I got 1 mo. ago a LYMAN PRESS (LYMAN PRO KIT) with neck size die for 300 remington ultra magnum.
After I set up the bullet depth to 3.594 (COL), and reloading few rounds, I notice a POSSIBLE PROBLEM.
NOT ALL THE BULLETS was SEAT AT THE SAME DEPTH???
The variation is between 3.590 - 3.597.

DO YOU THINK IS A RELOADING PRESS PROBLEM, or is normal to be in this way????
I already checked the press, the die, all the locking screw, and all are OK.
I really apreciate your suggestions.

Thank you
300rum
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  #2  
Old 08-28-2006, 08:50 AM
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Re: Lyman Press - Problems!!!

What bullets are you using?
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  #3  
Old 08-28-2006, 08:54 AM
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Re: Lyman Press - Problems!!!

Dear MagMan,
I'm using 200AB, Rem Brass, and Rem 9 1/2 M primer
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Old 08-28-2006, 08:59 AM
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Re: Lyman Press - Problems!!!

Do you think the problem can be from the brass size?
They have the lenght between - 2.354 - 2.46, and when they reach 2.5 I trim them down to 2.4
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Old 08-28-2006, 09:22 AM
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Re: Lyman Press - Problems!!!

Brass length - not an issue other than bearing length.

Bullets don't seat from the tip so if your measuring from the tip consistency will be a problem. Bullet Comparator

You should be OK.
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Old 08-28-2006, 09:49 AM
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Re: Lyman Press - Problems!!!

One thing I have noticed when using the UM cases is sometimes I get exactly what your referring to. The only thing I have been able to figure out is that the cases themselves have enough differences in the rim area to allow this when seating the bullet. Not so much as the base it's self, but where the extractor groove is located or how wide it is between different case heads. This would allow them to sit differently in the shell holder.

This to me is the only way to explain using bullets which all measure the same and getting different length loads. All of the bullets were measured using a comparator and seated accordingly using the same to measure the B-O length. I also have the seating cup deepened to allow for the tips to clear as well, so I know that this isn't the case either.

If you staying back enough to keep clear of any pressure issues, then you should be fine and they will probably shoot well for you.
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  #7  
Old 08-28-2006, 10:12 AM
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Re: Lyman Press - Problems!!!

Hi Mike,

Thank you.
Yes I have enough space between the bullet and the grove/land.
0.10.
But for moment I did not pay to much attention on this detail, till I will be found the right powder majerment for my 200AB load.
I'm still playing with group, and then I will go on detail for bullet depth.

Thank you again, because I was already to return the reloading press back to store to replacing with another one.

Another issue what I found is the consistency of the 200AB grains from one bullet to another.
The weight of the round is between 198 - 203 grains / 1 box of 50pcs.
What I did I JUST WEIGHT THEM AND SPLIT THEM IN THE SAME WEIGHT.
This suppouse to be normal????
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