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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Cornmeal forming bad on a new barrel??
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<blockquote data-quote="Len Backus" data-source="post: 30945" data-attributes="member: 1"><p>Tomahawk</p><p></p><p>You're probably right but please explain why. My 7 Lapua's reamer's neck dimension will be .3150. I know from the experience with my 7mm Dakota that if I take off about one thou in turning that particular brand of brass, then my loaded round will measure .3113 for about .0037 total clearance.</p><p></p><p>With the 7 Lapua Improved project, in forming the neck down further, as stated above, will I get thicker necks and therefor have to experiment with a few unturned necks in fireforming before I then go ahead and turn a bunch of brass in advance of fireforming?</p></blockquote><p></p>
[QUOTE="Len Backus, post: 30945, member: 1"] Tomahawk You're probably right but please explain why. My 7 Lapua's reamer's neck dimension will be .3150. I know from the experience with my 7mm Dakota that if I take off about one thou in turning that particular brand of brass, then my loaded round will measure .3113 for about .0037 total clearance. With the 7 Lapua Improved project, in forming the neck down further, as stated above, will I get thicker necks and therefor have to experiment with a few unturned necks in fireforming before I then go ahead and turn a bunch of brass in advance of fireforming? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Cornmeal forming bad on a new barrel??
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