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Thread: Puma Conversion?

  1. #1

    Default Puma Conversion?

    I am getting ready to purchase a Puma in .454 and wanted to know if it is possible to have it re-chambered to take the .460.

    Will it fit and can it handle the pressure?

    If this will work it would be a dream truck and trail gun sporting a 16" barrel.

  2. #2
    Sponsor ADfields's Avatar
    Join Date
    Nov 2008
    Missing Palmer AK in Phonix AZ.


    Pressure of 454 and 460 are the same but the 92 action is too short to cycle 460. I have been looking for a lever in 460 for a long time and at this point I think Iím gonna end up building me one.
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    Call/Text 602-315-2406
    Phoenix Arizona

  3. #3
    Join Date
    Aug 2007
    Eureka MT


    I have the Puma in 454 with 20" barrel. It pushes a 317gr cast right at 2000fps. Just how much more do you want in a 5 1/2 lb gun? The 460 would be neat but it is too long for the 92. I don't know of any svelt lever actions that would stand the pressure of the 460.

  4. #4
    Supporting Member Amigo Will's Avatar
    Join Date
    Nov 2008


    The little H&R 45colt BC is fun rechambered to 460 and you can do it yourself easy for thirty buck chamber reamer rental from 4D
    Now left only to be a turd in the forrest and the circle will be complete.Use me as I have used you

  5. #5


    It's not that I need that much more, it's all about shooting flatter. Since I first asked the question, I found an old thread where a guy was shooting a heavy diet of hot .454 hand loads running in the 65,000 CUP range. WOW!!!!

    I guess I was just looking at the wrong direction. I think I need to just look at 180 g. bullets. LOL.

    I do really want a 16" lever gun for going into the brush or running around in the "frog". The frog is my '89 4x4 Subaru Justy in camo strictly for hunting season. I think this 1892 in at least .454 would be the ideal gun for me.


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