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turner · 03-27-2008, 03:56 PM

There is a new .338 Federal that came out about 2 yrs ago and may well be loaded as Federal Prmium ammo. But, you can NOT fire that in a .338 Win mag rifle. The catridge itself is much smaller. The .338 Fed is based on a .308 necked up to .338 where the .338 Win mag is based on a much longer case similar to a .300Win mag or 7mmRem mag. I'm not sure if that's exactly what you were asking, but the .338 Fed is not the same round, nor a round that can be fired in a .338 Win mag. That being said, if you were asking if a .338 Fed COULD be loaded into the chamber of a .338 Win mag, the answer would be yes, but it is unwise to even place it in the chamber and could be downright catastrophic should it somehow happen to fire in there.

03-27-2008, 03:56 PM	#3
turner Senior Member Join Date: Nov 2007 Location: Tn Posts: 435	There is a new .338 Federal that came out about 2 yrs ago and may well be loaded as Federal Prmium ammo. But, you can NOT fire that in a .338 Win mag rifle. The catridge itself is much smaller. The .338 Fed is based on a .308 necked up to .338 where the .338 Win mag is based on a much longer case similar to a .300Win mag or 7mmRem mag. I'm not sure if that's exactly what you were asking, but the .338 Fed is not the same round, nor a round that can be fired in a .338 Win mag. That being said, if you were asking if a .338 Fed COULD be loaded into the chamber of a .338 Win mag, the answer would be yes, but it is unwise to even place it in the chamber and could be downright catastrophic should it somehow happen to fire in there.