338 rum

  1. PapaSmurff

    .338 caliber Barnes LRX bullet performance

    I just wanted to share some results that I’ve been obtaining with the .338 cal Barnes 265gr and 280gr LRX bullets. I’ve now caught 1 of the 265 grainers at 200 yard impact velocity of 2,643 FPS and I’ve caught 2 of the 280’s at 300 yards impact velocity of 2,501 fps according to my ballistics...
  2. R

    338 RUM COAL for barrel chambering

    Hi all, first post, The question I have is I'm trying to determine what COAL I should make some dummy rounds at for my gunsmith to chamber my 338 RUM. I'm putting a Wyatt mag box the CFE-9 Kit. It has a 4-in COAL capacity. I will be loading Berger Elite Hunter 300 grain bullets. Any knowledge...
  3. BlazerBeam

    338 RUM and n570

    Looking for any experience that you may have using n570 in the 338 ultra mag, specifically using 250 grain accubonds or 270 grain eld x. Not really a whole lot of data available, and if I’m going to burn n570 I want to reap the velocity benefit it provides. Thank you
  4. Daegon

    285 eldm

    Throwing this one out again. Trying to get a load for 285 ELDMs out of a 338 RUM with n570 powder. I’m shooting 250 berger elite hunters right now over 97 grains n570 in adg brass but would like some more energy and speed at distance. The load would be shot out of a factory Remington 700 xcr...
  5. BlazerBeam

    338 RUM 250 Berger

    How far of a jump are you guys running these bullets? I am hoping to propel these with H1000 and I want to mag feed but it ends up being a jump of about .150”. Haven’t shot any yet but I just wanted to get an idea before I start burning powder. Thanks!
  6. BlazerBeam

    338 RUM 250 Barnes LRX

    Anybody shooting the 250 grain Barnes LRX out of their 338 Ultra mag? I have a 26 inch Fierce carbon fiber barrel on mine and would like to try this bullet out if I can get it going at least 3,000 FPS with great accuracy (half inch at 100 yards). I have tons of H1000, retumbo, and RL26. Anybody...
  7. Daegon

    338 Rum and 285 ELDMs

    I picked up a box of 285 ELDMs for my 338 Rum with a lil beast brake on a stock 26” sporter barrel and action. Hornady is less than zero help and need some load data or at least a good start point. I have H-1000 and retumbo and would prefer to stick with those for temp stability but I’m open...
  8. Daegon

    338 RUM & 243 win data

    Hey gang hunting season is over for me and it’s time to start some load development over the winter. I have some 250 gr Berger elite hunters I wanna load and I’m also looking at some possibly some elds and would love some feedback on loads with temp stable powders on em to start with. I also...
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