Commencing My First Custom rifle project

Discussion in '.375 & Up' started by Hoss Delgado, Jul 16, 2019.

  1. Hoss Delgado

    Hoss Delgado AH Fanatic

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    With work pressure significantly reduced now ,l have been fortunate enough this year to finally start updating my Battery with a new PG rifle ( a .350 Rigby Magnum on a ZKK602 action ) and a new shotgun ( a BRNO full choke Over under ) . Now , l am commencing on my first custom rifle project .
    I am planning on building a 10.75 × 68 MM ( .423 Mauser ) rifle on a BRNO ZKK 600 action . I ordered a special order 10.75 × 68 mm Barrel from Safari Outdoor which will reach me in 6 months . Now , l am not going after dangerous game with this gun . Enough experienced members on this forum already advised me against it. I am going to use it here in Texas for boars and stuff. Screenshot_20190716-135011.png Screenshot_20190713-234850.png I have vintage cases for the .423 Mauser in my house and l plan to use these cutting edge monolithic meplat solids in the gun. The website mentions that the bullets are designed for the .404 Jeffery but l was hoping that it would work in the 10.75 × 68 MM .
    I do have some reservations about this project though. Namely , How difficult is it going to be to convert a ZKK600 action to use this caliber ? And also will the pictured bullets work for my .423 Mauser ?
    Please let me know your thoughts about any challenges l can face .
    Hoss Delgado
     

  2. Hoss Delgado

    Hoss Delgado AH Fanatic

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    Update : So l contacted Cutting edge bullets to ask about whether their 350 and 400 grain monolithic meplat solids ( which they advertise as being meant for .404 Jeffery rifles ) would safely fire in a 10.75 × 68 mm rifle . This was their answer. Now , I'm worried. They don't seem too sure , themselves Screenshot_20190716-184050_01.png
     

  3. Hogpatrol

    Hogpatrol AH ENABLER SILVER SUPPORTER AH Legend

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    Just curious, what contour barrel are you using.
     

  4. Inline6

    Inline6 AH Veteran

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    Math works I'm not sure what you would expect them to say?
     
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  5. Hoss Delgado

    Hoss Delgado AH Fanatic

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    Bluing . Classic
     

  6. Hoss Delgado

    Hoss Delgado AH Fanatic

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    This is my first time hand loading . So l am a bit nervous. I have always bought Factory ammunition for the last 20 years of my hunting career.
     

  7. Wyatt Smith

    Wyatt Smith AH Fanatic

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    I suggest you get a good reloading manual and read all of it. I am friends with a self taught reloader and his work is very questionable. It’s also very helpful to watch a good handloader load some.
     
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  8. Inline6

    Inline6 AH Veteran

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    It's not difficult to hand load. You just have to learn. Like anything else it depends how crazy you want to get with it. I have more money in a scale than most have in a hunting rig.

    I admit I have a problem and have a tendency to buy the good stuff.
     

  9. Hoss Delgado

    Hoss Delgado AH Fanatic

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    How much work needs to be done to a ZKK600 action to get it to shoot 10.75 × 68 mm ? Reproofs , feed ramp alterations ?
     

  10. Hogpatrol

    Hogpatrol AH ENABLER SILVER SUPPORTER AH Legend

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  11. Hoss Delgado

    Hoss Delgado AH Fanatic

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  12. Hoss Delgado

    Hoss Delgado AH Fanatic

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    Update : One of my friends also got me a Lee Enfield Action . Can you build a 10.75 × 68 mm rifle on a Lee Enfield action ?
     

  13. Von Gruff

    Von Gruff AH ENABLER GOLD SUPPORTER AH Legend

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    Not the best action for this cartridge as it is a rimless case where the Lee Enfield bolt is for rimless so a lot of work to get it to work right. I built the early 1901 Magazine Lee Enfield for a sightly shortened 405 Win case and made the magazine single stack to get every thing working perfectly
     
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  14. Hoss Delgado

    Hoss Delgado AH Fanatic

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    In a single stack , l could still get in 4 rounds or something ?
    I guess l can stick to a BRNO ZKK 600 , if the Lee Enfield action is inappropriate
    Also , some of the veteran members here advised me against using monolithic solids of 400 grain or even 347 grain , as the 10.75 × 68mm Barrels don't have the adequate twist for them . And also l would encounter case capacity issues.
    So l will stick to original pattern .423 caliber 347 Woodleigh FMJ Round nose solids
     

  15. Wyatt Smith

    Wyatt Smith AH Fanatic

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    A P14 Enfield would be very good for that too bad it’s Lee Enfield
     
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  16. Hoss Delgado

    Hoss Delgado AH Fanatic

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    I also have a beautiful BRNO ZKK 600 action ;)
     

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