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Rem 300 Ultra Mag using Sierra 200gr HPBT

 
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  #1  
Old 08-28-2004, 07:21 PM
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Join Date: May 2004
Location: San Antonio, TX
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Rem 300 Ultra Mag using Sierra 200gr HPBT

Has anyone loaded a 300 RUM for this bullet? Sierra 200gr HPBT #2230 they recommend 83gr of H4831, velocity is 3000 fps BC is .565

Thomas
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  #2  
Old 08-28-2004, 09:28 PM
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Join Date: Mar 2004
Location: St. Louisville,Oh
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Re: Rem 300 Ultra Mag using Sierra 200gr HPBT

I'm using a 200 grain Accubond with Federal 215 primer and 89.5 grains of Retumbo and my rifle loves it...............
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  #3  
Old 08-28-2004, 11:50 PM
 
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Re: Rem 300 Ultra Mag using Sierra 200gr HPBT

I can't help you with the 200 SMK but my 300 RUM with a 1-13" twist likes the 190 with 82grs of H4831SC which isn't a max load. The barrel is a Kreiger, 28" long and has a tight bore. It averages 3100fps and shoots 1/2moa 3 shot groups to 1K.
I'd give the 200's a try with the Sierra load, should shoot well.
Wayne
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Old 08-29-2004, 10:48 AM
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Join Date: Jan 2004
Location: Central Pennsylvania
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Re: Rem 300 Ultra Mag using Sierra 200gr HPBT

I'm working on a load for the 300, with the 200 gr SMK. My most consistant load so far is Fed 215 primer, 90.3 gr H1000. Don't have a Chrono, so I don't have any velocity figures on the load. (26" barrel)

I'm going to start experimenting with different primers an seating depth next, to see if I can get it any better.

[ 08-30-2004: Message edited by: NotEnoughTriggerTime ]
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  #5  
Old 08-29-2004, 08:25 PM
 
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Re: Rem 300 Ultra Mag using Sierra 200gr HPBT

Thomas,

You will likely find that Retumbo will give you much better results than H-1000. We find it to be about 150 fps faster than H-1000 at the same pressure and the accuracy is better. Start about 89 grains and work your way up. You will probably find max pressure between 91 and 94 grains of Retumbo with the 200 gr. Sierra [img]images/icons/wink.gif[/img]
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Old 08-29-2004, 08:27 PM
 
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Re: Rem 300 Ultra Mag using Sierra 200gr HPBT

[

[ 08-29-2004: Message edited by: S1 ]
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  #7  
Old 09-01-2004, 10:08 PM
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Join Date: Apr 2004
Location: Reno Nevada
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Re: Rem 300 Ultra Mag using Sierra 200gr HPBT

My Sierra manual list 95.7 grains of Retumbo For A FPS of 3,100.Thats only 100 FPS over a 300 Win Mag.That sucks!!! [img]images/icons/confused.gif[/img]
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