Marlin 336 rebarrel to .250 Savage
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Thread: Marlin 336 rebarrel to .250 Savage



  1. #1
    Tenderfoot
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    Marlin 336 rebarrel to .250 Savage

    I have a burning desire to shot a 250 sav. From a Marlin 336 . I have 30-30's and 35 rem. but feel I need a .25 caliber. Ok, you'll say.... just get a 25-35 win. And be happy! That may be my plan B, but let a man have a dream.
    To start , a 35 rem bolt must be used. I can slip a 250 sav case into that bolt face and extractor and ejector seem to work fine. Good news. The savage case is only a tenth of an inch shorter than 30-30, so it should work on the carrier?
    Now my Speer manual cites the pressure limit for a 250 sav at 42,000 cup.
    And the 30-30 win at 38,000 cup. So Im only 4000 over pressure with factory loads?
    I handload , so i'll work up slowly. I feel the Marlin action can handle it. I wouldn't try this in a Winchester 94.
    This idea is a handloader proposition due to only spire point factory bullets in 250 sav.
    Thanks to Hornady, I have the flex tip 110 gr bullet to work with. There are also plenty of 25 cal. 117 gr round nose bullets to laod. So the 336"s tubular magizine can be stoked full !
    In the end I should have a faster 25 caliber than the 25-35 win.

    Anyone heard of this being done before? Any constructive rebuttels....
    Mark at Rifleshoppe

  2. #2
    Super Moderator
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    Never heard of anyone doing it, but Marlin used to market a rifle in 218 Bee so it might be doable... Although if memory serves it was on an 1894 frame...
    lever30 and Texas Shooter like this.
    Bart

    Team Old Pharts, Team Marlin Express, Team 30-30, Team 45-70, Team 60, Team Henry, Team Semi-Auto, Marlin League, Team Glenfield, Team 1894

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  3. #3
    Sidewinder
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    Sounds like a cool idea if the action can take the pressure. Only thing that crosses my mind is what if the rifle gets passed down to an heir (or anybody for that matter) when you have departed this madness and they, unknowingly use pointy .250 Savage ammo in it. Just a thought.

    I do like the concept except for that issue.
    gunscrewguy likes this.

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  5. #4
    Tinhorn
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    If your going to be a hand load only, why not neck down the 30-30 case to 25 caliber. This should work through the action slick. If your worried about a factory load getting in the gun, when you cut the chamber, cut it a bit shorter. This way you move the shoulder back enough so a factory cartridge won't chamber. Shorten ing a set of dies the same amount won't be hard. The case length difference between the 250 Savage and the 30-30 may not cause feeding issues, but the case taper difference may. The 250 has less taper and a sharper shoulder. I can't seem to find my book on cartridge conversion. This book is about how to convert one case to another. It has a lot of factory cartridges, current or obsolete, as well as many wildcats. It might have one in there.I think it may be interesting to try just to see how it works. Good luck with what ever you decide to do. Leo

  6. #5
    Sidewinder
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    It seems a little more complicatedthat I would want to get into. The 25-35 is in the right class, would be safe and fun to shoot. Then go with a bolt action 250-3000 for even more fun.

  7. #6
    Marlin Marksman
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    get an 1893 in 25-36, you can fire 25-35 and 6,5-52r in it to fireform brass

  8. #7
    Deadeye
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    There is a gunsmith that has tables at most of the local shows who does a lot of custom Marlin work.

    One of his that I've seen displayed is in .250 Savage, I'm pretty sure its on the 336 frame.

    He has another in 7-30 Waters.
    lever30 and thearborbarber like this.
    Team 444 - #748
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  9. #8
    Certified Gunnut
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    If you want a lever action rifle in 250, get a Savage 99. They have a solid wall of steel between the chamber and your face.

  10. #9
    Marlin Marksman
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    Check out the 25-35 Ackley Improved. Or the 25 Krag.

  11. #10
    Tenderfoot
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    Thanks, shortening the chamber is a great idea. A good safety factor.
    I have never shortened a die .....but im guessing i would shave the appropriete
    Length off the bottom? Great imput .


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