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Thread: .375 Ruger?

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    Gunco Member us_dragunov's Avatar
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    Default .375 Ruger?

    Here's one that I started thinking about....the .375 Ruger.... Anyone have pressure data on this? This could be a fun one too. Hmmmmmmm

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    No Hope For Me 1biggun's Avatar
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    HMMM none of my books even show the round?? how long is it ect is this a pistol or rifle round??

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    No Hope For Me 1biggun's Avatar
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    found this

    http://www.chuckhawks.com/first_look_375Ruger.htm

    pretty long for a AK action but if someone can make a 8mm AK then I suspose it could be done, A sagia 30-06 would be a good start perhaps but the bolt face is to small. can likely be done but it would be expensive to build and likely $30-40$ a box for ammo. I am guessing here but that looks like it is close to belted mag performace so the pressures must be in the 55,000+PSI RANGE.
    there is a wild cat called the .375 Express (Waters) that is made from 444 marlin brass that I thought might be doable in a rimless version once I get my 444 marlin build done.

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    Happy Camper hcpookie's Avatar
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    I don't know... seems like they are trying to fill in a blank in-between successful calibers. Personally, I think there are enough calibers in that class to fill all the roles that you'd expect for a heavy round like that.
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    Gunco Member us_dragunov's Avatar
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    Yes...the ammo looks to be expensive although you can handload for it. The case length fits in a standard length 30-06 action ("Hornady claims more performance than the .375 H&H, but from a standard length action. The .375 Ruger case is the same length as the .30-06 and similar cartridges, so it will work through Ruger’s standard length action, with no need to use the longer, heavier magnum length action.") and "It will fit any standard length rifle action with a standard .532" bolt face. "

    The pressures though are quite high as somewhere in my head I thought I remember reading something like 63000 psi max pressure.

    Anyhow...just an another idea I am/was toying with. I would just really like to build something close to magnum power in a semi action I am still planning on my 9.3x64 build too and should have the magazines in a month or two. Hopefully I can do one without blowing it and myself up....lolol

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    Happy Camper hcpookie's Avatar
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    You need to start by finding a way to get the 9.3mm TIGRs over here, then we can play!
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    Happy Camper hcpookie's Avatar
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    Found this:

    http://www.shootingtimes.com/ammunit...807/index.html

    At average pressures of 60-65000 PSI, I'm not certain this would be usable on even the PSL action. The .30-06 would be the only way I'd start with tihs, and that is pushing it. The cartrige base is much bigger than an -06 base. About .500".


    Gunco Member #10

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    The "original" Boltcutter Rivet Squeezers:
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  8. #8
    Gunco Member us_dragunov's Avatar
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    Quote Originally Posted by hcpookie View Post
    You need to start by finding a way to get the 9.3mm TIGRs over here, then we can play!

    You're right!


    I'm afraid that will only happen in my dreams.

    So what has been the general concensus on the max. pressure load for say a 30-06 Saiga or 7.62x54R PSL chamber? I saw somewhere that SAAMI suggested max pressure for 30-06 was 60,000 psi and 62,000 for .308. I also saw that .375 H&H is at 62,000 too. Hmmmmmmmm

    I now just saw somewhere quoting SAAMI pressure for the .375 Ruger at the same 62,000.
    Last edited by us_dragunov; 03-12-2008 at 02:32 PM.

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    No Hope For Me 1biggun's Avatar
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    you got to remember that the larger the base the higher the bolt thrust for a given chamber pressure. for example a 45-70 with 50,000 PSI has a lot more bolt thrust than a 223 with 50,000 PSI. I think I would pass on the 375 ruger I see a few loads listed for the 30-06 at 59,500PSI but given the larger rim and all that I personaly would be afraid to try it even on the 30-06 sagia. The other thing is if I am not mistaken the powder that hornady uses to load the 375 is a "special blend" that is not avaliable over the counter so reloading the 375 to factory loads may be impossable. I would possably consider the 375 IF I only reladed it to lower chamber pressures. but If I was going to that I might as well do a necked up 308 WIN or necked down rimless 444 marlin or some thing else that will fit in a AK platform A lot eaiser.

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    Gunco Member us_dragunov's Avatar
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    Yeah...I know (althought I think 45-70 SAAMI pressures are A LOT lower...lol)...but I understand what you are saying. I'm just tired of having nothing better than a 30-06 or 8mm coming out of an AK action. The necked down .444 may be the way to go or the necked up .308...we'll see. I'm still going to look at this more as even with a reduced load than factory this thing would pack a huge punch. I am really wanting to do my 9.3x64 though....lol At least I can get a few mags for it. I think there will be a lot of playing with trying to get something BIG and FAST working when I get home.

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