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Thread: 405 Winchester with a belt

  1. #1
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    405 Winchester with a belt



    I take 9.3x66 case and run it thru my homemade belting dies and..........I end up with a 405 belted case that can be loaded with 405 dies
    I also rebate the rim to .473".
    Waiting on a Shilen Barrel.......and I also need to grind a reamer.
    The case holds 78 grains of water.
    I like the cut off 260 grain X bullet, but with deeper free bore I can load the 300 to a length of 2.530"
    The ole Axis test gun is getting a work out!
    Also working on a 444 Belted using a 9.3x62 case.
    Last edited by Underhammer; 07-14-2019 at 10:30 PM. Reason: more info

  2. #2
    Basic Member Robinhood's Avatar
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    More pictures! More story!
    The Dunning-Kruger effect is alive and well.

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    Quote Originally Posted by Underhammer View Post

    I take 9.3x66 case and run it thru my homemade belting dies and..........I end up with a 405 belted case that can be loaded with 405 dies.
    Waiting on a Shilen Barrel.......and I also need to grind a reamer.
    The case holds 78 grains of water.
    I like the cut off 260 grain X bullet, but with deeper free bore I can load the 300 to a length of 2.530"
    The ole Axis test gun is getting a work out!
    Also working on a 444 Belted, using a 376 Steyr case.
    I also rebate the rim to .473"
    It was late and I got confused.....again.
    Hope this one makes sense.

    I have the 06 mag ordered. Bought the shorter trigger guard. My 243 HB will soon be a long action.

  4. #4
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    The 405B mag is long enough to let me seat a 300 X out another band, making plenty of room for powder.
    I just need to throat the bore deeper. Not sure about that, yet.
    Shown with a 268X.
    And,
    The Shilen .411 barrel is being shipped, now I have to make the reamer.

  5. #5
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    The finish and die reamers are ground round. Just need to relieve the cutting flutes.

    And either buy or make the pilot bushing. .252 pilot.

    I did not make the belt step, I will cut that separate.

    8 degree taper, .100 freebore ].313] and 1.1/2 degree throat. It is like having .200 freebore.

    While I had the taper set, I decided to cut the die reamer also.

    And the best part is, you can also shoot belted 06 brass.

  6. #6
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    This is so very cool! You are a DIY’er to look up to my friend!

    More please!

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    Quote Originally Posted by Dave Hoback View Post
    This is so very cool! You are a DIY’er to look up to my friend!

    More please!
    [ UPDATE ]

    Just ran a starting load thru the new chamber. Hodgdon calls for 55.0 of Varget at 2079 fps. with a 24" barrel. [starting load ]
    I made a 23" barrel and got 2039 fps for my first test shot. [ Hornady 300 FP ]
    So I am right on par with 405 Winchester load data.
    Plastic stock and steel one pc. base weigh in at an even 7#s.

  8. #8
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    Quote Originally Posted by Underhammer View Post
    [ UPDATE ]

    Just ran a starting load thru the new chamber. Hodgdon calls for 55.0 of Varget at 2079 fps. with a 24" barrel. [starting load ]
    I made a 23" barrel and got 2039 fps for my first test shot. [ Hornady 300 FP ]
    So I am right on par with 405 Winchester load data.
    Plastic stock and steel one pc. base weigh in at an even 7#s.
    Sounds promising.

  9. #9
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    So what do belting dies look like.

    I have wanted something like the .450 Marlin but fitting a std bolt face. Looks like these are close enough.

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    Quote Originally Posted by charlie b View Post
    So what do belting dies look like.

    I have wanted something like the .450 Marlin but fitting a std bolt face. Looks like these are close enough.
    Just working up loads, 2393 fps with a 300 Hornady FP. Mild case Pressure, but starting to get some KICK!

  11. #11
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    Just shot a case full of Benchmark and a 270 Barnes TSX..............2569 fps.........just shy of 4000 ft #s of energy!

    The factory plastic stock is still doing fine, but keeping an eye on it.

    Now to mount a scope and do some group testing.

    Should have the brake installed next week.

  12. #12
    Team Savage GaCop's Avatar
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    Quote Originally Posted by charlie b View Post
    So what do belting dies look like.

    I have wanted something like the .450 Marlin but fitting a std bolt face. Looks like these are close enough.
    Same here.
    Vietnam Vet, Jun 66 - Dec 67

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    Quote Originally Posted by charlie b View Post
    So what do belting dies look like.
    They are just tapered dies that reduce diameter .010 each [.007-.008]. Takes 2 dies, then the third one has a sharp edge to help seat in the belt.
    Third die is used in an arbor press.
    Then I finish them in a lathe.
    All home made stuff.
    CH4D use to make these, might contact them.

  14. #14
    Basic Member Robinhood's Avatar
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    targets?
    The Dunning-Kruger effect is alive and well.

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    Quote Originally Posted by Robinhood View Post
    targets?
    https://photos.app.goo.gl/iZHNXHW7aJ8NmHVr5
    2570fps.
    Can't get the photo to load, hope the link works.

  16. #16
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    Quote Originally Posted by Underhammer View Post
    They are just tapered dies that reduce diameter .010 each [.007-.008]. Takes 2 dies, then the third one has a sharp edge to help seat in the belt.
    Third die is used in an arbor press.
    Then I finish them in a lathe.
    All home made stuff.
    CH4D use to make these, might contact them.
    Thanks.

  17. #17
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    https://photos.app.goo.gl/oQmH3wnQtAFHZWbB7

    The lower shot was a scope adjustment, then fired the next three. 2545 FPS....300 TSX.

  18. #18
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    Both the 210 TSX and turned down Monoflex 208gr, will hit 3000 FPS!

    That is a point blank range of 300 yds.

    link to chart:

    https://photos.app.goo.gl/kp4LSPyvJ12PqCcE9

    I have a high scope at 2".

  19. #19
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    Picture of the rifle. Factory stock is doing OK.

    https://photos.app.goo.gl/qrpTqBMBMbmDjgqf8

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