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Introducing the .430 SJS and My First Bear

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  • ZeeZee Senior Member Posts: 24,051 Senior Member
    It's a society thing.
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • ZeeZee Senior Member Posts: 24,051 Senior Member
    Sorry.
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • Farm Boy DeuceFarm Boy Deuce Senior Member Posts: 6,083 Senior Member
    Zee wrote: »
    Sorry.

    We know you are.

    Now apologize.
    I am afraid we forget sometime that the basic and simple things brings us the most pleasure.
    Dad 5-31-13
  • sakodudesakodude Senior Member Posts: 3,902 Senior Member
    Buffco wrote: »
    Google was of no help. What does SJS mean? What's the history behind these?

    My guess, since the inventors initials are JS that part seems obvious. The extra "S" got no clue!

    Sako
  • sakodudesakodude Senior Member Posts: 3,902 Senior Member
    cpj wrote: »
    I think that was discussed early on. I can't remember for sure. It may have been too thick. And, .308 brass is far more available.

    Well I just made one. Cut 30-06 to 1.8" inside/outside chamfered ran it into a 444 expander and seated a 240gr cast bullet with a 44 mag seater die. So the mechanics of building one will work. My guess is still wall thickness as it affects case capacity sometimes to a significant degree.

    Sako
  • ZeeZee Senior Member Posts: 24,051 Senior Member
    .308 brass was free
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • sakodudesakodude Senior Member Posts: 3,902 Senior Member
    Zee wrote: »
    .308 brass was free

    So was all my 30-06:tooth:
    Really kind of intrigued by Jerm's project and can see myself building one someday if Illinois ever gets with the times. Just wondered if cases could be made in a few less steps.

    Sako
  • ZeeZee Senior Member Posts: 24,051 Senior Member
    sakodude wrote: »
    So was all my 30-06:tooth:
    Really kind of intrigued by Jerm's project and can see myself building one someday if Illinois ever gets with the times. Just wondered if cases could be made in a few less steps.

    Sako

    7BB3DC34-3EF4-4736-808C-8D4D1170E761_zpsiquqnzuo.jpg

    Top was .308 Win brass. Neck is "dirty" and will clean up with fireforming. Multiple steps to make.

    Bottom is .30-06 brass. Neck is cleaner. But, more of a "wasp waist". Will clean up after fireforming. Fewer steps.
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • JermanatorJermanator Senior Member Posts: 16,128 Senior Member
    30/06 brass should work just fine. I just happen to have a cheap plentiful supply of .308 brass.
    Reason obeys itself; and ignorance submits to whatever is dictated to it.
    -Thomas Paine
  • JermanatorJermanator Senior Member Posts: 16,128 Senior Member
    sakodude wrote: »
    Just wondered if cases could be made in a few less steps.

    Sako
    If this gets beyond the experimental stage, I intend to have factory brass manufactured for it.
    Reason obeys itself; and ignorance submits to whatever is dictated to it.
    -Thomas Paine
  • JermanatorJermanator Senior Member Posts: 16,128 Senior Member
    Yep. I have used .308's, .243's, and 7/08's for conversions. Actual rifles that work so far... Marlin X7, Savage 110. We will find out about Savage Axis next week, and I will be working with a Ruger American and Mossberg Patriot later. Then there are also conventional threaded barrels that would need gunsmith fitting.
    Reason obeys itself; and ignorance submits to whatever is dictated to it.
    -Thomas Paine
  • BuffcoBuffco Senior Member Posts: 6,244 Senior Member
    Zee wrote: »
    It's a society thing.
    Secret Jackass Society.
  • snake284snake284 Senior Member Posts: 22,394 Senior Member
    Jermanator wrote: »
    If this gets beyond the experimental stage, I intend to have factory brass manufactured for it.

    Now you're talking, get all the BS cleared out of the way. I can even see this as a factory cartridge someday. It's a much needed commodity what with states where you can only use straight wall cartridges of limited length. There is DEFINITELY a waiting market for this.
    Daddy, what's an enabler?
    Son that's somebody with nothing to do with his time but keep me in trouble with mom.
  • snake284snake284 Senior Member Posts: 22,394 Senior Member
    Buffco wrote: »
    Secret Jackass Society.

    Hey watch your mouth Rojo, I resemble that remark.....
    Daddy, what's an enabler?
    Son that's somebody with nothing to do with his time but keep me in trouble with mom.
  • Big ChiefBig Chief Senior Member Posts: 32,995 Senior Member
    Congratulations on the development and successful use of your Wildcat cartridge Jerm.

    You got the "Bear Necessities" knocked out already and I can see good things in the future for this project.

    Cool beans.
    It's only true if it's on this forum where opinions are facts and facts are opinions
    Words of wisdom from Big Chief: Flush twice, it's a long way to the Mess Hall
    I'd rather have my sister work in a whorehouse than own another Taurus!
  • sakodudesakodude Senior Member Posts: 3,902 Senior Member
    Jermanator wrote: »
    If this gets beyond the experimental stage, I intend to have factory brass manufactured for it.

    I sincerely hope this takes off for you. not to many niches to be exploited these days but you found one, ran with it and deserve the reward.
    Put me on the list for that factory brass when you get it in hand.:up:

    Sako
  • sakodudesakodude Senior Member Posts: 3,902 Senior Member
    cpj wrote: »
    Yall gots no idea how wicked cool a 5.1 pound (without scope) 16.75" barreled bolt gun is.
    And I have no idea how said rifle is gonna knock my willy in the dirt with a 265 grain bullet moving 2000 plus FPS....

    Worries me just a little bit that I'm thinking like you but that is exactly what I have been envisioning since this tread started. So much so that I have been contemplating a re-barrel of my Ruger Frontier Scout:silly:

    Sako
  • JermanatorJermanator Senior Member Posts: 16,128 Senior Member
    Chris will also be working on some subsonic puffballs for the upcoming yute hunt. I am excited!
    Reason obeys itself; and ignorance submits to whatever is dictated to it.
    -Thomas Paine
  • sakodudesakodude Senior Member Posts: 3,902 Senior Member
    cpj wrote: »
    The other suckers (volunteer test subjects) sorta poo pooed my barrel choice. They will regret they didn't get a barrel like mine...once they handle it.
    Honestly, I knew it would be a handy little rifle. But I had NO idea HOW handy it would be. Or how light.

    so when do we get to see all of it rather than just the muzzle:p

    Sako
  • Farm Boy DeuceFarm Boy Deuce Senior Member Posts: 6,083 Senior Member
    You aren't really going to use that turd factory stock are you?

    For the record my Ruger 77/44 weighs 5.25lb without a scope, so I have pretty good idea.
    I am afraid we forget sometime that the basic and simple things brings us the most pleasure.
    Dad 5-31-13
  • ZeeZee Senior Member Posts: 24,051 Senior Member
    cpj wrote: »
    The other suckers (volunteer test subjects) sorta poo pooed my barrel choice. They will regret they didn't get a barrel like mine...once they handle it.
    Honestly, I knew it would be a handy little rifle. But I had NO idea HOW handy it would be. Or how light.

    I'm used to my.......barrel......being more......substantial.
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • ZeeZee Senior Member Posts: 24,051 Senior Member
    cpj wrote: »
    It's all relative I suppose.
    When you are 4'9", some "things" seem bigger than they actually are. I mean to an oompah loompah, you're a giant!
    But I do apologize for the short jokes, please don't bite my ankles off.

    I'm gonna crap in your shoe.
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • breamfisherbreamfisher Senior Member Posts: 13,497 Senior Member
    oompaloompa.jpg
    Overkill is underrated.
  • ZeeZee Senior Member Posts: 24,051 Senior Member
    cpj wrote: »
    Bring a stool.

    Oh, I plan to. And I'll be leaving it too!
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • ZeeZee Senior Member Posts: 24,051 Senior Member
    A proper SJS barrel.

    9B5AEA96-FB4E-494E-9D9E-6BDEC1DCF3EC_zpsv9ngoqlh.jpg

    20" Stainless Heavy Magnum Contour.
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • breamfisherbreamfisher Senior Member Posts: 13,497 Senior Member
    So, to set headspace on these rifles, what are y'all using?
    Overkill is underrated.
  • ZeeZee Senior Member Posts: 24,051 Senior Member
    So, to set headspace on these rifles, what are y'all using?


    Go/No-Go Guages
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • breamfisherbreamfisher Senior Member Posts: 13,497 Senior Member
    I gathered that. It's a wildcat, so what go/no-go gauges are you using?
    Overkill is underrated.
  • ZeeZee Senior Member Posts: 24,051 Senior Member
    I gathered that. It's a wildcat, so what go/no-go gauges are you using?


    Custom. Passing it around..............like Buffy.
    "To Hell with efficiency, it's performance we want!" - Elmer Keith
  • Farm Boy DeuceFarm Boy Deuce Senior Member Posts: 6,083 Senior Member
    .430 SJS.
    I am afraid we forget sometime that the basic and simple things brings us the most pleasure.
    Dad 5-31-13
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