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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Lapua Improved 40 degree with print. Which design is better?
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<blockquote data-quote="Pdvdh" data-source="post: 1082625" data-attributes="member: 4191"><p>I would <u>at least</u> change the design to reduce dimensions G and I from 0.3398" to 0.3385". No sense allowing the excess gas to excape around the bullet as it travels thru the "LEAD". </p><p>If you're going to outside neck turn the necks of your brass casings, you may want to reduce the dimension H from 0.372 to 0.370". </p><p>And as yorke-1 stated, determine your preferred cartidge overall length (COAL) with the bullet you intend to shoot, and then match the "LEAD" length to be compatible with your preferred COAL. Your "LEAD" dimension is shown as 0.130". I went with 0.225" "LEAD"</p><p>on my reamer design, intending to load the Berger 300gr OTM to a COAL of ~3.945".</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1082625, member: 4191"] I would [U]at least[/U] change the design to reduce dimensions G and I from 0.3398" to 0.3385". No sense allowing the excess gas to excape around the bullet as it travels thru the "LEAD". If you're going to outside neck turn the necks of your brass casings, you may want to reduce the dimension H from 0.372 to 0.370". And as yorke-1 stated, determine your preferred cartidge overall length (COAL) with the bullet you intend to shoot, and then match the "LEAD" length to be compatible with your preferred COAL. Your "LEAD" dimension is shown as 0.130". I went with 0.225" "LEAD" on my reamer design, intending to load the Berger 300gr OTM to a COAL of ~3.945". [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Lapua Improved 40 degree with print. Which design is better?
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