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Best powder for .338RUM and Heavy bullets?

 
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  #1  
Old 11-02-2010, 11:40 PM
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Best powder for .338RUM and Heavy bullets?

I just got a .338 ultra. I've been fiddling around with H -4350 with Nosler 200gr BT and Retumbo with 225gr. NAB. Both seem to be real accurate, but from what I've been reading almost everyone in the long range stuff has been shooting 250gr to 300gr sierras. With Powder as hard to get as it is I'd really like to avoid picking up 1lb cans of like 10 different kinds of powder. Maybe some body could recommend 2-3 different powders that always seems to work good with the heavy bullets. I'm look for more accuracy than speed. I'm using Rem. cases and Fed. 215m primers.
Rem. 700. H.S stock. Krigger heavy stainless. 27" long
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Old 11-03-2010, 01:13 AM
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Re: Best powder for .338RUM and Heavy bullets?

Retumbo, H1000, US869, and RL25, maybe H50BMG. I would go with Retumbo and H1000.
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Old 11-03-2010, 12:33 PM
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Re: Best powder for .338RUM and Heavy bullets?

I started using 7828 in my custom 338 RUM w/300 smk's, it actually gave very impressive velocity & sub-moa accuracy w/o playing with seating depth (loaded to mag. max). I am now playing around with Retumbo to get a little more temp stability, we'll see, if it doesn't work out I will be going to h-1000.
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Old 11-03-2010, 12:53 PM
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Re: Best powder for .338RUM and Heavy bullets?

Mine is a standard rem 700 with 26" barrel. I settled on the 225 Accubond at 3260 fps. I use 99 grains of RE-25 with fed 215 match primers. I seat bullets to magazine length. It shoots one big hole at 100 yards and will easily kill an elk at 1000 yards.
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Old 11-03-2010, 05:40 PM
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Re: Best powder for .338RUM and Heavy bullets?

Slower powders are better with the 225gr and up. Concur on RL 25, 7828, and H-1000. I primarily load with Nosler 250gr Partitions in that cartridge. Accubonds also work well as do Hornady Interlocks. For punching paper, I shoot the Sierra 250gr MatchKing.

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Old 11-03-2010, 05:52 PM
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Re: Best powder for .338RUM and Heavy bullets?

VV N560 is crazy accurate with the 250 have not tried the 300 yet,

Thanks,Keith
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Old 11-03-2010, 07:15 PM
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Re: Best powder for .338RUM and Heavy bullets?

thanks for the direction guys. Since I've got a bunch of Retumbo, I'm gona pick up some RL 25 and some H-1000. Have any of you guys tried the new Nosler Accurbond .338 250gr? I'm looking for a long range deer and elk round (ie 7-8 hundred yards) but I'm a little hesitant to try the Matchkings and bergers on game. Maybe They'll work fine for long range, but how about 75yrds in the timber?
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