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7mm-08 vs. .338 Federal

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Unread 08-28-2010, 11:42 PM
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Re: 7mm-08 vs. .338 Federal

How about a .375 Ruger?

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Unread 08-29-2010, 05:54 AM
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Re: 7mm-08 vs. .338 Federal

Originally Posted by topbrass View Post
I thought that a larger area would require more pressure to get equal acceleration.
Larger diameter does have more friction area per gram of bullet weight but the incremental increase in friction force is a tiny fraction of the additional force available from the increased area. For the same bullet weight, larger area = more force from the same pressure which means more acceleration.

"For a successful technology, reality must take precedence over public relations, for nature cannot be fooled." R. Feynman. (Last sentence of the Feynman appendix to the Space Shuttle Challenger Report.)
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Unread 09-04-2010, 12:02 PM
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Re: 7mm-08 vs. .338 Federal

Have you looked at the short magnums? I have a 270 WSM that I love. I am also very impressed with the 7MM WSM- some awesome ballistics, and a lot of punch at long range. Either of these would do the job for you.
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Unread 09-04-2010, 12:46 PM
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Re: 7mm-08 vs. .338 Federal

I load for both a Sako 85 in 338 fed and a Kimber 84M Classic in 7-08 for your purpose I will echo the majority and say the 338 fed. easy to load for, accurate, and plenty of killing power for most game. 7-08 has little recoil and good potential, but for a 7mm I would pick something with a little more umph.
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Unread 09-04-2010, 02:06 PM
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Re: 7mm-08 vs. .338 Federal

I think the .338 Federal is a great choice for most game up to 300 yards. Yes, it isn't very flat out to 400 yards with a 200 yard zero, but for shooting Moose, Deer and anything else for that matter within reasonable range I don't know many cartridges that will do it better with less meat damage. Is it flat- no. Does it pack two tons of muzzle energy- no. Will it get the job done in a short action with a 22 inch barrel without brutalizing the shooter- yes.

With 180-200 gr premium bullets this round still maintains about 1900 fps at 400 yards with 1500 to 2000 ft lbs of retained energy and with a bullet drop of only 8 to 9 inches at 300 yards- 24 inches at 400 yards with a 200 yard zero- I think I might get me one.

Last edited by fariswm; 09-04-2010 at 02:43 PM.
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Unread 09-05-2011, 09:14 PM
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Re: 7mm-08 vs. .338 Federal

I have a question, not a reply. I have read some of the remarks about the 338 federal and the 7mm08. I have a 7mm08, but am also interested in the 338 Fed. I used to have a 243 Win, and a 308 Win. but sold them in favor of one rifle capable of doing the job of both of those. So now I have room in my budget for one more rifle that will cover the larger stuff. Ruger used to chamber for the 338 Fed., but now they have the 338 RCM. Actually I have two questions. the first is; Who chambers for the 338 Federal cartridge now? Second; What do you guys think of the 338 RCM?
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Unread 09-05-2011, 10:20 PM
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Re: 7mm-08 vs. .338 Federal

Originally Posted by nikontom View Post
I the first is; Who chambers for the 338 Federal cartridge now? Second; What do you guys think of the 338 RCM?
1. The only rifle I have in 338 Federal is a DPMS LR-338L it's a light AR-10 clone with an 18" barrel. Tikka and Ruger offer bolt actions at least they have fairly recently.
2. The 338 Federal has 57.5 grains case capacity and the 338 RCM has 71 both fit in a standard short action with about the same room for bullets as a 308Win. (not heavy VLDs). What's to think? Both are what they are.

I also have rifles in 338 Win Ma, 338 Norma Mag, 338 Rem Ultra, and 338-378 Weatherby.
Of those only the 338 Win Mag and the 338 Normal mag can shoot VLD's from a 3.6" magazine which is the longest factory Rem 700 and SAKO magazine.
The 338 Win Mag has 86 grains case capacity, the 338 Norma mag has 106.

To say bigger isn't better is blasphemy here on longrangehunting.com. Get a a second opinion from "shortrangehunting.com. Oops, the 338 Spectre and 338 BR are popular with that crowd. Maybe try "mediumrangehuntnig com The 338 Federal and 338 RCM must have a home somewhere. ;-)
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