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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7-378 Weatherby, Long Range 7mm
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<blockquote data-quote="RockyMtnMT" data-source="post: 1794767" data-attributes="member: 7999"><p>We have played with the 300 Norma imp and necked it up and down. It will produce about rum performance with about 10g less powder and a shorter oal. The Lapua imp will produce about 200 fsp over the rum depending on the reamer. Yet still a bit shorter oal than the rum. The Lapua imp is pretty tough to beat until you go to a Cheytac parent case. Whole diff world.</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1794767, member: 7999"] We have played with the 300 Norma imp and necked it up and down. It will produce about rum performance with about 10g less powder and a shorter oal. The Lapua imp will produce about 200 fsp over the rum depending on the reamer. Yet still a bit shorter oal than the rum. The Lapua imp is pretty tough to beat until you go to a Cheytac parent case. Whole diff world. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7-378 Weatherby, Long Range 7mm
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