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Rifles, Reloading, Optics, Equipment
Reloading
300wm military brass-What's up with this?
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<blockquote data-quote="MagnumManiac" data-source="post: 1965783" data-attributes="member: 10755"><p>Military 300WM chambers are cut with the A191 reamer. The shoulder DOES NOT blow forward more than .015". So, essentially it is short in head to shoulder datum over SAAMI spec.</p><p>This is the reamer I use in my comp guns.</p><p>The early Mk248 ammo I saw was made by Winchester with a 190gr Sierra MK.</p><p>Not sure what is now, but believe it is a 215gr something or 220gr.</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1965783, member: 10755"] Military 300WM chambers are cut with the A191 reamer. The shoulder DOES NOT blow forward more than .015”. So, essentially it is short in head to shoulder datum over SAAMI spec. This is the reamer I use in my comp guns. The early Mk248 ammo I saw was made by Winchester with a 190gr Sierra MK. Not sure what is now, but believe it is a 215gr something or 220gr. Cheers. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300wm military brass-What's up with this?
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