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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Most Efficient 7mm Cartridge for 195 EOL Elite Hunter???
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<blockquote data-quote="highdrum" data-source="post: 1517465" data-attributes="member: 13732"><p>The 7mm Practical has a 30° shoulder, so once it's fire formed, you'll need special dies to get a proper shoulder bump. You state that your use of a 7-300NM(norma mag?) works? I don't see how that it has a 20° shoulder, the 300win a 25° shoulder and the 7mm Practical a 30° shoulder. Yes a 7mm practical has a longer neck, however it's only longer so that you don't need to trim brass, once you improve the shoulder to 30° you arrest a lot of the brass flow negating neck length growth, which isn't so PRACTICAL in the design, punn intended. Simplest design, is neck 300 win down with a 300wn FL bushing die, us a 7mm rem mag seating die.</p></blockquote><p></p>
[QUOTE="highdrum, post: 1517465, member: 13732"] The 7mm Practical has a 30° shoulder, so once it's fire formed, you'll need special dies to get a proper shoulder bump. You state that your use of a 7-300NM(norma mag?) works? I don't see how that it has a 20° shoulder, the 300win a 25° shoulder and the 7mm Practical a 30° shoulder. Yes a 7mm practical has a longer neck, however it's only longer so that you don't need to trim brass, once you improve the shoulder to 30° you arrest a lot of the brass flow negating neck length growth, which isn't so PRACTICAL in the design, punn intended. Simplest design, is neck 300 win down with a 300wn FL bushing die, us a 7mm rem mag seating die. [/QUOTE]
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Most Efficient 7mm Cartridge for 195 EOL Elite Hunter???
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