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Just bought a 300 Rum

Discussion in 'Ammunition & Reloading' started by jasparseed1@yahoo.com, Oct 4, 2010.

  1. jasparseed1@yahoo.com

    jasparseed1@yahoo.com Lebanon Member

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    I'm going to start loading for a new gun purchase, question my son has had good luck with Rl25 and I just found some info on Hodgons Retumbo, have anyone of you done some test, also will need to cono it because I need to have my scope set up for 1000 yards - anyone with help would be appricated.
     
  2. AMProducts

    AMProducts Maple Valley, WA Jerk, Ammo Manufacturer Silver Supporter

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    Retumbo is a great powder, for those big magnum cartridges, I've loaded it in 7mm Rem Mag, and 338 rem ultra. Another powder to check out is IMR4350.
     
  3. ron22250

    ron22250 Newberg Member

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    With a 200gr bullet, I've got good results with Retumbo, RL-25, and H50BMG.
     
  4. Godspeed

    Godspeed Oregon Member

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    I use Ramshot Magnum with good success with a 200 gr. Nosler Accubond. Fun Cartridge!
     
  5. therifleman

    therifleman kennewick Member

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    Ive tested all the powders out there and found that the retumbo 102 gr load works best for mine with a 180 accubond. Shoots into a 5inch circle at 840 yds. The rifle is sendero early model.
     
  6. jasparseed1@yahoo.com

    jasparseed1@yahoo.com Lebanon Member

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    Quick question, My Nosler Books shows 99.0 Gr as Max load at 103% of compressed, how do you get 102 Grs in there and what kind of pressure is it creating? 99 grs is 3343 out the nose......
     
  7. therifleman

    therifleman kennewick Member

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    Im using 97 gr retumbo and 180 nab at 3380 across the chrony gives me a 5inch group at 840 yds in my sendero and nxs 5 1/2-22 from a bench.love that gun so much I even shoot deer with it