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Thread: 0% Suomi

  1. #1
    Gunco Member cavalry's Avatar
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    Default 0% Suomi

    Here is my build of a Suomi reciever from scratch.

    Raw stock


    Turning OD


    Turning major of lugs



    Relieving lug area


    Comparison nose to nose



    I was not thinking when turned the OD. My steady rest will mark up the finished surface. I turned a shaft collar to use as a wear surface. The set screw mark will be located in the ejection or mag port.





    Drilling ID


    Bringing small ID to size


    Bringing bigger ID to size


    Parting off to length



    Ready for next process


    Comparison to torched pieces


  2. #2
    Gunco Member cavalry's Avatar
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    A little progress today on the lug area I am getting to the part where one mistake will put a lot of time into the scrap bin. I must have checked things over 5 times before I cut lol. There was a fair amount of angles and math that could have gone bad.

    This was my setup. There is not actually any metal removed yet. The black sections are sharpie so my dumb *** milled out the correct places.


    first set of sides



    second set of sides



    clearing

  3. #3
    Gunco Member cavalry's Avatar
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    removing stock for mag well



    punch though



    rough mill well


    I had some issues clearing the chuck. A long endmill was necessary (not my first choice for side milling)



    finish mill with correct radius corners

  4. #4
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    Milling for the front filler attachment



    clearing hole for feed ramp


  5. #5
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    Milling bottom of ejector port



    Top of ejector port



    Cleaning sides



    Finished port


  6. #6
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    Spotting ejector hole



    Drilling



    Ejector test

  7. #7
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    Fit on the shroud to receiver. I made it a little tighter than original. Its a nice firm fit...certainly will not fall off


  8. #8
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    Milling demilled front section to work with my receiver.



    Fit of parts


  9. #9
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    Jumping over to the barrel shroud release. I was not satisfied holding it in a vise to drill out the post and tap. I made this jig to ensure lineup.



    With the lever



    In lathe ready to be worked on

  10. #10
    Gunco Member cavalry's Avatar
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    More on the latch mods. It was tapped it for a 10-32 button head cap screw.

    drilling




    tapping



    finished

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