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Rifles, Reloading, Optics, Equipment
7mm STW
Peterson Brass Belted Mag Basic Unprimed Box of 50
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<blockquote data-quote="eshorebwhntr" data-source="post: 3039306" data-attributes="member: 17112"><p>I'll be honest with you, I can't figure out what the cartridge max length is from that print. But I think the 2.871 is from a datum point to the end of the lead. </p><p></p><p>I didn't get a reamer print on mine so I'm not sure what it is. Might try to figure out a way to measure it. I'm always trying to optimize my process and I hate trimming brass. Through the 17 firings I got on that Peterson I tested I found that setting the shoulder back .0035-.004 gave me effortless bolt fall. The firing/resizing process gave me between .008-.012 growth in case length. So I started trimming to 2.838 each time thinking my max was 2.850.</p><p></p><p>This has got me thinking now</p></blockquote><p></p>
[QUOTE="eshorebwhntr, post: 3039306, member: 17112"] I'll be honest with you, I can't figure out what the cartridge max length is from that print. But I think the 2.871 is from a datum point to the end of the lead. I didn't get a reamer print on mine so I'm not sure what it is. Might try to figure out a way to measure it. I'm always trying to optimize my process and I hate trimming brass. Through the 17 firings I got on that Peterson I tested I found that setting the shoulder back .0035-.004 gave me effortless bolt fall. The firing/resizing process gave me between .008-.012 growth in case length. So I started trimming to 2.838 each time thinking my max was 2.850. This has got me thinking now [/QUOTE]
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Rifles, Reloading, Optics, Equipment
7mm STW
Peterson Brass Belted Mag Basic Unprimed Box of 50
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