Modified case

Discussion in 'Reloading' started by Carfused, Aug 23, 2013.

  1. Carfused

    Carfused New Member

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    New to the website and poking around. I purchased a Savage LRH in 300 win mag with a 4*16 Vortex Viper PST scope. Now regretting not going with the 7mm, 300 win mag stuff is imposible to find. So here I am looking for a modified case for the 300 win mag to ensure proper loads. If anyone has one I can purchase or borrow (I will pay for shipping back and forth)?
     
  2. Trickymissfit

    Trickymissfit Well-Known Member

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    I picked up a couple at a gander Mountain close out sale, but traded them away a couple months ago! Make your out modified case. The 5/16-27 tap can be bought, and a .312" reamer will get you by. But a .001" undersized reamer would be far better. These are not hard to find as well.

    Take a once fired case (unsized) and see if the bullet will slide into it freely. If not the .311" reamer will work. The threaded hole is another, but not that hard to take care of. You could single point the thread if you have a lathe and are good at grinding high speed tool bits
    gary
     

  3. MTBULLET

    MTBULLET Well-Known Member

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    5/16x36 is correct tap size, and I use 9/32" drill (.2854 is correct, but 9/32 works well) buy the tap/drill and then you can make cases for all your reloading cals.
    or send me 2 fired cases and I will make them for you.
     
  4. Trickymissfit

    Trickymissfit Well-Known Member

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    when did they change the thread size? I have several stoney points, and every one of them has a 5/16-27 thread. Hornady bought out stoney point years back.
    gary
     
  5. Browninglover1

    Browninglover1 Well-Known Member

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    I have a Hornady tool and it is 5/16-36. My buddy has the Stoney Point and his is a 5/16-36 also. I have no idea how old it is.
     
  6. CPGfan

    CPGfan Well-Known Member

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    Mine is 5/16" 36 as well
     
  7. Carfused

    Carfused New Member

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    Thanks for the help. I will be making my modified case this weekend
     
  8. Clay Target Guy

    Clay Target Guy Well-Known Member

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    I have a Stoney Point and it is 5/16-36 as well.
    I bought a tap from MSC several years ago and it has served me well. Seems a little pricey but it does not take long to pay for itself.

    Hand Taps | MSCDirect.com
     
  9. Tennessee Tater

    Tennessee Tater Well-Known Member

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    I have one you can borrow if making one doesn't work out.
     
  10. Trickymissfit

    Trickymissfit Well-Known Member

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    you are correct, and I stand corrected. I checked the tool the other night. Where I got the 5/16-27TPI in my head I don't know. Still the extra fine thread for a .312" diameter is 32tpi, so that doesn't make much sense as well. They should have made it M8-32tpi, which is the standard Timken bearing nut thread. 8mm is .315" diameter, and 32 threads per inch is standard. Next one finer is 40tpi, and that's used on the 5/16" diameter. 36 TPI just doesn't make much sense at all, and it just slightly short of the standard 1.0 metric thread. surprised that somebody like Redding hasn't jumped on this one.
    gary
     
  11. tbrice23

    tbrice23 Well-Known Member

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    I think they do that so its harder to make yourself so you'll have to buy theirs.
     
  12. marioq

    marioq Well-Known Member

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    Is this offer open to anyone???
    I've been waiting for months for 2 modified cases
     
  13. tbrice23

    tbrice23 Well-Known Member

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    Got mine from msc also. Made in bosnia or something.
     
  14. Clay Target Guy

    Clay Target Guy Well-Known Member

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    I think the 5/16-27 is the thread used on shotgun cleaning brushes/patches etc.