45-70 in 45-90?

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uglymofo

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I've been told that I could shoot smokeless 45-70's out of a rifle chambered for 45-90, and that that would be like shooting .38 Spl in a .357 Magnum or .44Sp in a .44Magnum.

I don't doubt that it can be physically done, but what do y'alls experience say about that?

1) Would the pressures generated cause any problems?

2) How much accuracy would be lost? that is to say, what kind of groups would one get using 45-70 vs. 45-90 out of the same rifle?

3)Would a constant diet of 45-70's in a rifle chambered for 45-90 cause any damage to the chamber or throat?

Thank you.
 
Physically possible, but nothing good will come of it. Accuracy will suffer and you could errode the chamber. I wouldn't do it. 45-90 brass is thankfully common right now so there is no good reason to do this.


David
 
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