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Rifles, Reloading, Optics, Equipment
Reloading
Once fired military brass
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<blockquote data-quote="RT2506" data-source="post: 1055154" data-attributes="member: 10178"><p>From some research I have been doing I found some information that might help answer your problem. Black Hills did the load work up for the military with the 300 Win mag to get a load that would compare ballistics wise with the 338 Lapua. They use a 200 gr Sierra Match King bullet and run it 3000 fps which is over SAAMI pressure. You could have some of the cases from this type of ammo and it has been really stretched by the higher pressure. That part just before the belt is what really expands with over pressure loads. Have you taken all the spring out of your press? By that I mean screw the die all the way down until it touches the shell holder with the ram raised all the way. Back the ram away and screw the die down about 1/2 turn more. When you raise the ram it should let the press do what is called cam over. This will give you your max FL sizing.</p></blockquote><p></p>
[QUOTE="RT2506, post: 1055154, member: 10178"] From some research I have been doing I found some information that might help answer your problem. Black Hills did the load work up for the military with the 300 Win mag to get a load that would compare ballistics wise with the 338 Lapua. They use a 200 gr Sierra Match King bullet and run it 3000 fps which is over SAAMI pressure. You could have some of the cases from this type of ammo and it has been really stretched by the higher pressure. That part just before the belt is what really expands with over pressure loads. Have you taken all the spring out of your press? By that I mean screw the die all the way down until it touches the shell holder with the ram raised all the way. Back the ram away and screw the die down about 1/2 turn more. When you raise the ram it should let the press do what is called cam over. This will give you your max FL sizing. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Once fired military brass
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