.300 Rum

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by lefty15, Mar 10, 2008.

  1. lefty15

    lefty15 Well-Known Member

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    A friend of mine is in the process of buying a .300RUM. He wants to shoot 130gr bullets for deer, and 168gr bullets for Moose/Elk. I told him that these two bullet weights for the .300RUM were to light, and that he should be looking at either 180gr or 200gr bullets. He tells me that ballisitaclly the 130's and 180's are very similar, and I just do not believe him.
    What do you guys think?
     
  2. Coues Sniper

    Coues Sniper Well-Known Member

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    That he is crazy :)
     

  3. Earl Fouraker

    Earl Fouraker Well-Known Member

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    It all depends on how far he is planning on shooting and how much wind he plans to shoot in. If he don't plan on taking shots over 500 yds. the 130 gr. bullets for deer would probally be a good choice. EX:.... A 125 gr. NBT bullet at about 3900 would drop only 45.4 inches from a hundred yd zero at 600 yds. A 210 gr. berger would drop 62.5 @ 600yds. driven at 3100 fps. These are both top end velocity for both bullets out of a 300RUM.
     
  4. Eaglet

    Eaglet Well-Known Member

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    LEFTY15,
    Show your friend these facts! You'll see that after 400 yards the 180 gr. Nosler is the King!

    All calculated for see level Std conditions.

    [​IMG]
     
  5. Earl Fouraker

    Earl Fouraker Well-Known Member

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    Eaglet, I don't think you are comparing the two bullets fairly.....3300 is a TOP END load for the 180 NBT out of a 26" barrel, A TOP END load for the 130 Barnes should be around 3850.....not 3700. I have shot both of these bullets out of a factory barreled RUM.
     
  6. Eaglet

    Eaglet Well-Known Member

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    Rock500,

    The sources I used gave a max for 180 gr. to be 3300 ft/sec and for the 130 grains using powders like Magpro, Reloader 25, H4350, H1000, H4831 the highest muzzle velocity was obtained with Magpro for 3724 ft/sec and the lowest 3615 ft/sec using H1000.

    Let's use 3850 for 130 gr. Bullet and 180 still reigns!!!

    Remember, wind bucking abilities are way better than a MOA vertically at a 1000 yards! Check it out.

    BC for the 130 gr. = 0.350
    BC for the 180 gr. = 0.507

    We could find a bit higher BC for the 130 and much higher BC for the 180. The values above I think are pretty fair. That's the reason we give up velocity and take BC.



    [​IMG]
     
  7. Coues Sniper

    Coues Sniper Well-Known Member

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    Agreed.
     
  8. jmden

    jmden Well-Known Member

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    JMO, but shooting a 300RUM with anything less than 180g is just not using that case very well...even a 180 is questionable. On this board, in general, folks will tend towards (or eventually learn to tend towards) the heavy for caliber, hi BC bullets. With the slow burning powders available today, some fairly impressive wind bucking accuracy and higher energy can be developed for long range shooting. Check out the energy and wind bucking numbers for a Berger 210g at 3125 fps or a 240 Sierra Matchking at 3000fps--make a little 130g look pretty pathetic at any range, especially long range. Good luck...I used to think velocity was king too. Then I spent some time here.
     
  9. Eaglet

    Eaglet Well-Known Member

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    jmden,

    I absolutely agree!

    My personal loads are using Nosler Accubond 200 gr. and Berger 210 gr, I still have to try the 240 gr. from Sierra.
     
  10. Ronbo7

    Ronbo7 Member

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    300 Rum

    I'm an advacate of the notion; find one multi-purpose round and shoot it well. I get 3340 sub moa with 180 accu-bombs in my LSS LH. The other load I have played with that I like is 165 accu-bombs at 3500+. Either of these is great load for any N American game. The 165 I think is where I will stay. Like I said, thekey is find the right load and stick with it for consistent long range range shots.