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.300 Rum

 
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  #1  
Old 03-10-2008, 03:58 PM
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.300 Rum

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?
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  #2  
Old 03-10-2008, 04:22 PM
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Quote:
Originally Posted by lefty15 View Post
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?
That he is crazy
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  #3  
Old 03-10-2008, 05:32 PM
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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.
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  #4  
Old 03-10-2008, 06:46 PM
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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.

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to this generation and we once more are rejecting it as was prophesied!!!

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  #5  
Old 03-11-2008, 07:56 AM
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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.
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  #6  
Old 03-11-2008, 10:00 AM
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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.



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-----------------------------
HEBREWS 13:8
Jesus Christ the same yesterday, and to day, and for ever.

Our Lord Jesus said that as it was in the days of Noah and
also as it was in the days of Lot so it shall be in the days...
It's happening again!!! God sent to us His prophet, and His Word
to this generation and we once more are rejecting it as was prophesied!!!

---> As promised, God Sent His Prophet to us!
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  #7  
Old 03-11-2008, 12:37 PM
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Quote:
Originally Posted by Eaglet View Post
That's the reason we give up velocity and take BC.
Agreed.
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