255 Dean

swampthing36

April 07, 2012 03:06

I posted this topic in general discussion a short time ago. Perhaps it is more appropriate here. Have a buddy that wants to 'improve' his 25/20 rifle. Has no collector value (Marlin slide action) given the research we have done. Been looking for a 25/20 improved reamer but find the 255 Dean might be the way to go. Anybody know much about this wildcat cartridge? How about an available reamer? Please advise.

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  MIKE WISKEY

  April 07, 2012 04:58

  the is no way to 'improve' a 25/20 very much. you only have so much case capacity. Most 'improved' cartidges get the big gains by increasing pressure as well (read 'no red line').

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  charliemeyer007

  April 07, 2012 15:43

  An improved case might offer less bolt thrust and allow a safe higher working pressure but for what gain in a pump action antique rifle. I would just reload 25-20 and enjoy the rifle for what it is. A 257 Roberts Ackley improved would be where I'd look for a nice 25 cal.

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