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.338 Federal

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.338 Federal

Old 10-18-2006, 12:30 AM
  #11  
 
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Default RE: .338 Federal

I think the .338 Federal is a great idea, its just, it should be available from all of the big rifle manufacturers, and allow the rifles to be priced very cheap and affordable, if that happens, I think this cartridge can be around for a long time.
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Old 10-18-2006, 12:37 AM
  #12  
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Default RE: .338 Federal

Thats a good question for someone like Roskoe. I would quess that opening up the mouth effects the shoulder as well and maybe adds a little more powder space. However although I have read the ballsitics, I don't remember them right now. Its not a high velocity cartridge though. I think it has a 210 grain bullet and a 180 grain bullet in its factory loads. The factory, using blends of powders that are not available to handloaders give the an edge to start with at least.
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Old 10-18-2006, 05:49 AM
  #13  
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Default RE: .338 Federal

case volume isn't much different but since you have a larger diameter bullet you have more cross sectional surface area... and F=P*A... so for the same mass... you move the bullet a bit faster... there will be some frictional things to consider since you also have a larger circumference so more bearing area on the bore...
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Old 10-18-2006, 08:45 AM
  #14  
DM
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Default RE: .338 Federal

I would imagine the .338 Federal kicks like a mule,
It doesn't kick like a mule, but morelike a 3006 if the rifle weights are similar and useing similar weight bullets...


Anyone care to explain how you take a 308 case, neck up to a 338 and shoot the same weight bullets at a higher velocity? Higher chamber pressures from more bearing surface or what?
The expansion ratio is different...... I guess another way to explain it is, the .338 bore is bigger than a .308 bore, so you can use a bit more powder to fill the space...

Here's another thing though... All else being equil, you have to use a "heavier" bullet in .338 to get the same penetration as a .308 bullet... So, a 180 grain.308 bullet is going to out perform an 180 perform.338 bullet...

Next problem, if you use heavier bullets in the .338 Federal, like 250 grain bullets your not going to be able to push them fast enough to get them to expand properly as they are designedfor a higher velocity than the .338 Federal can push them.

DM
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Old 10-18-2006, 12:22 PM
  #15  
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Default RE: .338 Federal

Dont forget.....this may not make a big difference but the 338 bullet has a little more surface area than the .308 at the base of the bullet to be exposed to burn thrust. Not a scientific explaination of course but it does make a difference..lol. Kinda like a flat base bullet making more velocity than a boattail with equal powder charges?
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Old 10-18-2006, 02:37 PM
  #16  
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Default RE: .338 Federal

With all of the 08 cartidges and the intro of the .338 Fedral, for me this makes 'ye olde 308' that much more appealing.
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Old 10-18-2006, 02:46 PM
  #17  
Giant Nontypical
 
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Default RE: .338 Federal

ORIGINAL: ipscshooter

How does the .338 Federal's recoil compare to the .300 Win Mag? I'm slightly recoil averse. I suppose for the game I'm thinking about, my .30-06 would suffice, if I was extremely careful about my shot selection. But, I'm looking for an excuse to get a new rifle, and the .338 Fed looks interesting for what I'm considering. This is still in the very early planning stages...
In a gun of equal weight, it should give less recoil than a .358 Winchester......

I'd sure like to see one in a BLR!
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Old 10-18-2006, 02:51 PM
  #18  
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Default RE: .338 Federal

ORIGINAL: Doe Dumper

Dont forget.....this may not make a big difference but the 338 bullet has a little more surface area than the .308 at the base of the bullet to be exposed to burn thrust. Not a scientific explaination of course but it does make a difference..lol. Kinda like a flat base bullet making more velocity than a boattail with equal powder charges?
I don't know about th flat base vs boattail comparison, but you can push a bullet of a given weight faster if it has a bigger cross-sectional area for the powder gases to push on. This was one of ol' P.O. Ackley's major arguments against the use of increasingly smaller bore diameters in the wildcat business.....
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Old 10-20-2006, 08:07 PM
  #19  
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Default RE: .338 Federal

I just read up on the .338 Federal in American Rifleman. I guess I am just one of those that go against the grain in the new short magnum and ultra magnums craze!
But the .338 Federal does look like a darn good hunting cartridge to me!
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Old 10-20-2006, 08:25 PM
  #20  
 
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Default RE: .338 Federal

I just don't like the "Federal" after .338, sure I like Federal Ammo as it is my prefered factory ammo for several of my rifles. But It would be more appealing if it was like .338 Remington, or .338 Winchester Short Action.
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