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Rifles, Reloading, Optics, Equipment
Reloading
Necking down 7mm STW to .257 STW
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<blockquote data-quote="aldeerhunter" data-source="post: 1342723" data-attributes="member: 99345"><p>I measured the outside diameter of a couple of pieces of loaded brass. I was somewhat surprised to find that the diameter ranged between .288 and .289. Since the bullet diameter is .257, I was expecting a much lower outside neck diameter. I guess the neck thickness of the necked down 7mm Nosler brass has something to do with it.</p><p></p><p>It will be a couple of months before Lee runs the .257 dies so I figure that in the mean time I will get a set of 7mm stw x dies and start out with a .286 bushing and work from there, using 7stw Nosler brass since the reviews I have seen on Quality brass seem to be about 50/50.</p></blockquote><p></p>
[QUOTE="aldeerhunter, post: 1342723, member: 99345"] I measured the outside diameter of a couple of pieces of loaded brass. I was somewhat surprised to find that the diameter ranged between .288 and .289. Since the bullet diameter is .257, I was expecting a much lower outside neck diameter. I guess the neck thickness of the necked down 7mm Nosler brass has something to do with it. It will be a couple of months before Lee runs the .257 dies so I figure that in the mean time I will get a set of 7mm stw x dies and start out with a .286 bushing and work from there, using 7stw Nosler brass since the reviews I have seen on Quality brass seem to be about 50/50. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Necking down 7mm STW to .257 STW
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