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looking for 270 improved loads

 
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  #1  
Old 10-23-2008, 12:55 PM
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looking for 270 improved loads

aquired a .270 ackley improved with 24" douglass barrel. loading info would be appreciated. have rl 22, h4831, imr 4831,imr 4350, h1000 on hand. should I use magnum primers since increased powder charge?
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  #2  
Old 01-11-2011, 01:50 AM
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Location: Redlands CA
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Re: looking for 270 improved loads

I realize this is an aged thread, i was hoping you would have some info now that I can explore.
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Old 01-12-2011, 12:42 PM
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Re: looking for 270 improved loads

Quote:
Originally Posted by pjracer View Post
aquired a .270 ackley improved with 24" douglass barrel. loading info would be appreciated. have rl 22, h4831, imr 4831,imr 4350, h1000 on hand. should I use magnum primers since increased powder charge?
130gr. bullet
59gr. / 4350 @ 3200
60gr. / 4831 @ 3080
65gr. / 4831 @ 3390

150gr. bullet
56gr. / 4350 @ 2950
58gr. / 4350 @ 3030
62gr. / 4831 @ 3150

all powders are from IMR, and most are max loads. Ackley says there is little improvment in velocity to be gained as the case is already overbore.
gary
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Old 01-29-2011, 12:10 AM
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Re: looking for 270 improved loads

looking at the numbers you have posted it appears that the 270 Ackley will have an increase in velocity of a little over 9% on the 130 gr from accepted levels (Normal max 3100fps) and just under 9% for the 150's. (Normal max 2900fps.)

Thanks for the info.
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