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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Reload belted magnum cases 20 times now.
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<blockquote data-quote="oldpilot" data-source="post: 1032060" data-attributes="member: 87110"><p>I have 5 magnums, all belted. 300 Wby, 7mmWby Mag, 257 Wby mag, and two 7mm Rem mags, 3 Weatherby, a Bar, and Remington. I have 14 boxes of 7mm Wby reloaded 8 to 15 times. 11 boxes each of 300 Wby and 257 Wby all loaded a minimum of 9 times, and 22 boxes of 7mm Remington Mag loaded from 4 to 18 times. I do not mix the 7mm rem between rifles, but segregate them by rifle. Your post caused be to get them out put the calipers to work. I also went out and bought four boxes of unprimed brass in each caliber for comparison. I have spent 10 days measuring and cataloging the results for each box. I didn't find any significant differences between new cases and the reloads. I really was expecting to find the boxes with the most loads to be no good and was prepared to throw a lot of it out. I also checked some rounds and empty cases in each applicable gun, but no problems at all. My only conclusion is that because I seldom reload to max in any caliber the cases aren't stressed as much. I usually work up loads for a particular bullet initially from min to near max in .5 grain increments. I take the best group and load up and down by .1 grain and the best group is the load for that bullet with that specific powder and rifle. I develop a "varmit" and "hunt" load for each rifle and stick with that. My next door neighbors 300 Wby doesn't shoot my 300 Wby's best load well and vice versa, but both shoot .5 inch or better with their respective pet loads. Both guns are Mark Vs, mine is 34 years old his is 11, both 26" barrels. Makes you say hmmmmm, why is that???</p></blockquote><p></p>
[QUOTE="oldpilot, post: 1032060, member: 87110"] I have 5 magnums, all belted. 300 Wby, 7mmWby Mag, 257 Wby mag, and two 7mm Rem mags, 3 Weatherby, a Bar, and Remington. I have 14 boxes of 7mm Wby reloaded 8 to 15 times. 11 boxes each of 300 Wby and 257 Wby all loaded a minimum of 9 times, and 22 boxes of 7mm Remington Mag loaded from 4 to 18 times. I do not mix the 7mm rem between rifles, but segregate them by rifle. Your post caused be to get them out put the calipers to work. I also went out and bought four boxes of unprimed brass in each caliber for comparison. I have spent 10 days measuring and cataloging the results for each box. I didn't find any significant differences between new cases and the reloads. I really was expecting to find the boxes with the most loads to be no good and was prepared to throw a lot of it out. I also checked some rounds and empty cases in each applicable gun, but no problems at all. My only conclusion is that because I seldom reload to max in any caliber the cases aren't stressed as much. I usually work up loads for a particular bullet initially from min to near max in .5 grain increments. I take the best group and load up and down by .1 grain and the best group is the load for that bullet with that specific powder and rifle. I develop a "varmit" and "hunt" load for each rifle and stick with that. My next door neighbors 300 Wby doesn't shoot my 300 Wby's best load well and vice versa, but both shoot .5 inch or better with their respective pet loads. Both guns are Mark Vs, mine is 34 years old his is 11, both 26" barrels. Makes you say hmmmmm, why is that??? [/QUOTE]
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Reload belted magnum cases 20 times now.
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