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Hunting
Long Range Hunting & Shooting
weatherby box length ? (Mark v)
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<blockquote data-quote="myrifleisLapua" data-source="post: 675608" data-attributes="member: 40019"><p>Im going to use a mark v 30-378 action for my big bore build.</p><p>.550 magnum. The 378 case blown out to .55" 700gr at 2400 fps <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />.</p><p>With the 800gr it has a c.o.a.l of 3.802" from the reloading data. </p><p>Between 3.760-3.790 with 700gr jacket or solid cant remember. Should be shorter with the cast bullets i plan on using. With the internal mag allow feeding of 3.802"? . Ive read the 378 had a box of 3.815" but the other cartridges had a shorter box. Pacnor wanted to know. They'll do the barrel and action work. Not bolt face mods needed thats a plus. But said they didnt know if it would feed.</p></blockquote><p></p>
[QUOTE="myrifleisLapua, post: 675608, member: 40019"] Im going to use a mark v 30-378 action for my big bore build. .550 magnum. The 378 case blown out to .55" 700gr at 2400 fps :). With the 800gr it has a c.o.a.l of 3.802" from the reloading data. Between 3.760-3.790 with 700gr jacket or solid cant remember. Should be shorter with the cast bullets i plan on using. With the internal mag allow feeding of 3.802"? . Ive read the 378 had a box of 3.815" but the other cartridges had a shorter box. Pacnor wanted to know. They'll do the barrel and action work. Not bolt face mods needed thats a plus. But said they didnt know if it would feed. [/QUOTE]
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weatherby box length ? (Mark v)
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