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I've been looking for a .25-20 and found a Marlin 1894 in .25-20M. I was wondering what the difference was between this and a .25-20 win. You can only learn by asking?  Thanks, JTT IN NC  
 

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JTT,

Ain't none.  Just like the .38 S&W Special/Colt Special, same case, different name.

Technically, in the really old days it was a .25-21 Marlin, always trying to one-up Winchester.  The only difference was the .25-21 was very slightly longer in the neck.  The Winchester cartridge can be fired in either.

If you have more than one .25-20 or .32-20 you will notice that there is a noticeable difference in the fired cases, more than I have ever seen in any other cartridge with the exception of the other Win. dual use cartridges (.38-40, .44-40).  For some reason the chambers were all bottlenecked, but a lot of old black powder period ammo was straight taper llike the .32-40 or .38-55.

Now you know more than you wanted to, enjoy it, it's a good find if in good shooting condition.
 

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Hi, JTT:
 It's likely the same as a .25-20 Winchester, but a chamber cast will tell you for sure.

  Actually the 25-21 Stevens is a short .25-25 Stevens. These are straight cases, and very long for their calibre. Just to muddle things a bit more, there's a .25-20 Single Shot which has a longer case than the Winchester. It was necked down for the 2R Lowell or .22-3000 Griffin & Howe, which was popular in the `30s & `40s. The 2R is just shy of the .222 Remington in power.

Case Lengths
.25-20 Winchester - 1.330"
.25-20 Single Shot - 1.63"
.25-21 Stevens - 2.05"
.25-25 Stevens - 2.37"

 Actually Winchester "borrowed" the .32-40, .38-55 and .40-65 from Marlin - Ballard. Check out Barnes "Cartridges of the World"

Bye
Jack

(Edited by Jack Monteith at 11:51 pm on Jan. 23, 2002)
 

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I can't find any reference material at the moment, but I do remember that the two are not exactly the same.

It is believed that  Barlow of Ideal (now Lyman) had a hand in developing it with UMC and Marlin and it predated the .25-20 Winchester by a year or so.

Itv seems to me that the case is a tad longer which would not allow the .25-20M to be chambered in a .25-20W chamber, but the .25-20W will chamber in the .25-20M chamber.

Good luck.
John    
 

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JTT & Jack Monteith,

Jack made a point and I realized I had gotten a step ahead.  His comment about the .25-21 Stevens, etc. is correct, but had I said what I meant to it probably would have made more sense.

What I was referring to was the .32-21 Marlin.  This is very similar to the .32-20 which can be shot in the Marlin chamber.  The .25-20 Marlin likely had the .32-21 as a parent as the .32-20 Win is the parent to the .25-20 Win.

In either case, the Winchester cartridge can be used in the Marlin which was the original question.
 

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Hi, Alk
 I learn something every day here <!--emo&:)--><img src="http://beartoothbullets.com/iB_html/non-cgi/emoticons/smile.gif" border="0" valign="absmiddle" alt=':)'><!--endemo-->

Bye
Jack

(Edited by Jack Monteith at 10:24 pm on Jan. 28, 2002)
 
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