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Author Topic: noobie question, difference between IMR4064 & IMR4895  (Read 771 times)

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Offline SanQ

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noobie question, difference between IMR4064 & IMR4895
« on: September 20, 2006, 01:02:36 PM »
what are their differences?
 performance differences on 7mm rem and .243 win?
thx
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Offline Val

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Re: noobie question, difference between IMR4064 & IMR4895
« Reply #1 on: September 20, 2006, 03:44:12 PM »
IMR 4895 is a faster powder the IMR 4064. Their performance in a particular rifle of a particular caliber can vary as a function of the chamber dimemsions and will also vary by bullet weight. Generally speaking the heavier the bullet weight the slower the powder needed for accurate results. My .243 loves IMR 4064 for 70 grain bullets (varmint load) and it likes IMR 4350 for 100 grain loads. IMR 4350 being a slower powder. I don't load for 7mm except for my 280 Remington which also likes IMR 4350 woth the 140 grain pellets I use.
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Offline Davemuzz

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Re: noobie question, difference between IMR4064 & IMR4895
« Reply #2 on: September 20, 2006, 03:59:20 PM »
The difference is 831. (That would be 4895 - 4064 = 831). ;D ;D ;D ;D

Don't ya just love those kind of answers?


Dave.
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Offline jd45

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Re: noobie question, difference between IMR4064 & IMR4895
« Reply #3 on: September 20, 2006, 04:03:50 PM »
SHAME ON YOU, you baaaaad putty tat!!!!! JD45
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Offline SanQ

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Re: noobie question, difference between IMR4064 & IMR4895
« Reply #4 on: September 20, 2006, 10:10:32 PM »
Quote from: Val on September 20, 2006, 03:44:12 PM
IMR 4895 is a faster powder the IMR 4064. Their performance in a particular rifle of a particular caliber can vary as a function of the chamber dimemsions and will also vary by bullet weight. Generally speaking the heavier the bullet weight the slower the powder needed for accurate results. My .243 loves IMR 4064 for 70 grain bullets (varmint load) and it likes IMR 4350 for 100 grain loads. IMR 4350 being a slower powder. I don't load for 7mm except for my 280 Remington which also likes IMR 4350 woth the 140 grain pellets I use.

thats very helpful, thanks!
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Offline daddywpb

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Re: noobie question, difference between IMR4064 & IMR4895
« Reply #5 on: September 30, 2006, 01:06:43 AM »
Davemuzz took my answer ;D
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