Surplus Powders in 300 RUM?

Discussion in 'Reloading' started by Michael J. Spangler, Mar 30, 2013.

  1. Michael J. Spangler

    Michael J. Spangler Well-Known Member

    Sep 20, 2009
    Hey guys.

    Been a while since I've delved into the 300 RUM. I was looking around for powder options and started looking at surplus powders.
    Are there any places with data for the 300 rum and these powders? Seems like the only thing available for powder out there in any quantity is the surplus stuff, and only the stuff for 50 BMG which works out well for me.

    Or even if there is a decent sheet with a comparison between surplus powders and commercial?

    Anyone loading this in their RUMs?

    Thanks in advance guys. Can't wait to get back out there with my rifle.
  2. Lefty7mmstw

    Lefty7mmstw Well-Known Member

    May 13, 2012
    I'm using 104 gr wc872 under a 190 hdy bt in my 300rum with rp brass and a 215. Groups just fine and cheaper to shoot than a lot of what's out there. I'm also using rl powders in a couple of loads, but wc872 does well with the 190. The kegs I got a couple of years ago were super close to aa8700; start at least 10% down though as mil-surp does vary from lot to lot.