JTT- I don't believe so. Ken Waters did an article on the 25-36 in Rifle magazine about a year ago, and as I recall, the 25-35 is too hot to use in the Marlin, and there were chambering issues too as I recall.
The 25-36Marlin cartridge was to prevent their ammo from being used in Winchester 25-35. The Marlin action design is stronger then the standard M94 so ammo is interchangable in factory form as long as the condition of the firearms are in good shape. The Marlin owner could use Winchester or Marlin ammo. Some of the simplistic marketing ploys used by J M Marlin and Oliver Winchester.
I found the article and reread it. Ruger #3 is correct that you can fire 25-35 ammo in a 25-36 chamber, but not vice-versa. Ken Waters recommends firing reduced loads to fireform cases. The brass you'll end up with will have shorter than standard necks.
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