My ½ Suomi / ½ AK 9mm build….. I call it the SUM-AK: PIC HEAVY - Page 2
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Thread: My ½ Suomi / ½ AK 9mm build….. I call it the SUM-AK: PIC HEAVY

  1. #11
    Gunco Regular driswalds's Avatar
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    That's awesome sir great work. I wish I had the ability to do something like that.
    cal50 and Tommo like this.

  2. #12
    Gunco Member cal50's Avatar
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    Fun stuff and it was my winter project.
    Looking forward to putting the finishing touches on it and finishing it when the weather warms up.
    Pryotex likes this.

  3. #13
    aka: SDK1968 dutigaf's Avatar
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    that is some seriously impressive weld work & you obviously have machining skills.

    great presentation!
    cal50 likes this.
    Hate takes LESS energy & thought... Dont be so Lazy.

    Building or Bitching? which are you here to do?


    YES, i work for TEC Tactical. 02/07 SOT


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  5. #14
    Where's my lathe? ashhoe's Avatar
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    You sir, are are a certified bad ass.
    cal50 likes this.
    Whatever site I read it on as a members tag line, it's the truest statement ever made.
    "Our forefathers would have been shooting by now"
    member # 575

  6. #15
    Gunco Regular Pryotex's Avatar
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    Absolutely on the top of STUFF I LIKE . Great build and write-up.
    cal50 likes this.
    Pryotex is TEC Tactical, A Licensed 07/SOT

  7. #16
    GuncoHolic Tommo's Avatar
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    Congratulations! Great design and build, thank you very much for all the photos.
    cal50 likes this.

  8. #17
    Gunco Member cal50's Avatar
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    Working on beefing up the thinned right side frame area with an added plate and maybe a brass deflector.....

    Still in progress~

  9. #18
    in the blueridge mtns nutznboltz's Avatar
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    Thank you for the pictorial sir. Good to watch!
    cal50 likes this.

  10. #19
    Gunco Member cal50's Avatar
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    Roughed in my front sight base. I have a VEPR front sight top half that will be used since the AK sight theme is still in effect.
    I made the base a snug fit to test fire and get some numbers to have a 100 yard zero. A few rough measurements , a trip to the range then a little more TIG welding.

    I need to drill a couple vent / drain holes in the front bottom of my gas piston / weight tube as well. These will be parkerized to get the ID some finish protection and appliance epoxy finished after that.

    Leveled and rear sight measured~



    Its WAY tall~



    Now the sights are level~






    Break time and waiting for a range trip~


  11. #20
    Gunco Member cal50's Avatar
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    Update~

    Added some extra metal to the weak link....
    I hogged out the ejection port area more aggressively than required but having a TIG welder makes putting it back easy, sometimes.

    I cut a piece of stainless steel .150" thick and taped it to the ejection port and test fired it. I had a couple cases fail to clear he action / hitting the material I added so I milled .030" off in increments until I had 100% ejection and the maximum material added for strength. After running a 1/2 drum thru it with zero issues I TIG welded the shim in place on all sides. I also and blended the inside sharp edge.
    Its still fugly right now and not finished pretty yet.

    The receiver section is now 1/4" tall X 5/16 wide and a laminate of trunnion steel , receiver steel and stainless steel.
    MUCH stronger than the original I started with.

    Now I need to weld the front sight and base on.


    Testing for max material to add~




    Its MORE solid now~






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