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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Allen Magnum
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<blockquote data-quote="Mike Matteson" data-source="post: 2843058" data-attributes="member: 101791"><p>Another trick on 308 NM. You can use a 300 WM neck sizing die instead of having to order out a 308NM neck sizing die. It doesn't size the complete neck. I found that was better for alining the case in the chamber. That where I stop the case separation base. I lost my cases after that do to primer pocket got to big in 10 to 12 firing. My loads are hot. flatten primers, no creatoring of primers. That's where I stop at for powder loads. Becareful on using IMR powder, Temp sensitive! That was one of the reasons I use H powders. The 300 WM can more velocity than the 308 NM. Generally 100fps.</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 2843058, member: 101791"] Another trick on 308 NM. You can use a 300 WM neck sizing die instead of having to order out a 308NM neck sizing die. It doesn't size the complete neck. I found that was better for alining the case in the chamber. That where I stop the case separation base. I lost my cases after that do to primer pocket got to big in 10 to 12 firing. My loads are hot. flatten primers, no creatoring of primers. That's where I stop at for powder loads. Becareful on using IMR powder, Temp sensitive! That was one of the reasons I use H powders. The 300 WM can more velocity than the 308 NM. Generally 100fps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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338 Allen Magnum
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