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Rifles, Reloading, Optics, Equipment
Reloading
.244 mashburn Improved 30 degrees
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<blockquote data-quote="Trickymissfit" data-source="post: 874917" data-attributes="member: 25383"><p>there are several options to consider:</p><p> </p><p>* the age old 6mm Ackley Improved. Just a good round in everyway. You can take this reamer and make a 6mm/6.5x55 Ackley. Probably just as fast as the 57mm case. Of course you could do a .243 Ackley that would have the .35" 6mm neck length. You can't make cases out of .243 brass as the over all length will be about .110" longer due to the better neck design. Another option is the 6/250AI, but with the longer neck design. This one can be done with .243 brass, and will push a 105 grain bullet to 3000fps.</p><p> </p><p>* you should order in the finish reamer and reamer to cut the die blanks (which ever you decide). Many do this with a roughing reamer. I wouldn't let the tight necked chamber bother me much. They're usually a .264 chamber size, and a .262 die size or a .266 chamber and a .264 die diameter. Still remember that you have to order the reamer anyway, so you can also spec a no turn chamber. </p><p> </p><p>Might ask a reamer manufacturer if they have prints for the 6mm Arch. It's very close to the 6mm/55 Ackley (he actually never did this one, but did his own 6.5 case design)</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 874917, member: 25383"] there are several options to consider: * the age old 6mm Ackley Improved. Just a good round in everyway. You can take this reamer and make a 6mm/6.5x55 Ackley. Probably just as fast as the 57mm case. Of course you could do a .243 Ackley that would have the .35" 6mm neck length. You can't make cases out of .243 brass as the over all length will be about .110" longer due to the better neck design. Another option is the 6/250AI, but with the longer neck design. This one can be done with .243 brass, and will push a 105 grain bullet to 3000fps. * you should order in the finish reamer and reamer to cut the die blanks (which ever you decide). Many do this with a roughing reamer. I wouldn't let the tight necked chamber bother me much. They're usually a .264 chamber size, and a .262 die size or a .266 chamber and a .264 die diameter. Still remember that you have to order the reamer anyway, so you can also spec a no turn chamber. Might ask a reamer manufacturer if they have prints for the 6mm Arch. It's very close to the 6mm/55 Ackley (he actually never did this one, but did his own 6.5 case design) gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
.244 mashburn Improved 30 degrees
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