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210 gr wildcat 300 rum advice

 
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  #8  
Old 05-20-2007, 08:28 AM
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Join Date: Feb 2005
Location: USA
Posts: 2,598
Re: 210 gr wildcat 300 rum advice

[ QUOTE ]
I see that alot of you are using Retumbo for the 300 RUM, i have just started testing loads in my new 700 LSS.I have tried 93.0 grains Retumbo with the Barnes TSX 180 grain, seated at .040 off the lands.Seems to be a real mild load, pressure wise. Is this low on the Retumbo charge? Barnes web site shows 93.0 as max, or is it just C.Y.A. for liability reasons??? Glad to find so many people who shoot this caliber.... Thanks in advance for any help.....rsbhunter

[/ QUOTE ]

No the Barnes data is not CYA 93 grains with the lot of Retumbo and thier test barrel produced MAX pressure.I went to 99.5 grains with one lot of Retumbo and the 180 TXS,but the lot that I am useing now 96 grains is as high as I can go.I get 3330 fps with the 96 grain load. and accuracy is under .5 MOA....
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  #9  
Old 05-20-2007, 12:37 PM
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Join Date: Jun 2003
Location: Hermiston, Oregon
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Re: 210 gr wildcat 300 rum advice

My LSS liked 89g Retumbo w/210g WC. They shot right at 3000fps and .5-.75". OAL was 3.8"
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  #10  
Old 05-20-2007, 06:28 PM
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Join Date: Sep 2005
Posts: 734
Re: 210 gr wildcat 300 rum advice

Hi I would purchase some Retumbo, ADI here in Australia wore out 6 300RUM barrels developing the powder specificaly for the 300RUM and 180gr+ weight projectiles H1000 is just a tad fast and as stated be warey as pressures will spike rapidly as you reach top velocities. The use of Retumbo will give you similar velocity with less pressure meaning the lugs on your acton will last longer and also your brass for 2gr more powder it is a cheaper option to use the slower powder to save brass costs.

Cheers Bill
Australia
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