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Thread: Suomi drums break down/loading?

  1. #11
    Gunco Veteran muttman's Avatar
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    Quote Originally Posted by moleman View Post
    SLIGHTLY, I may have to look through my parts bin to see what I need to sell in order to continue my tinkering without catching any flack.



    bin there done that and still getting flack. muttman

  2. #12
    gunco irregular moleman's Avatar
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    Quote Originally Posted by muttman View Post



    bin there done that and still getting flack. muttman
    Yeah, it's probably a lost cause.

  3. #13
    Gunco Veteran muttman's Avatar
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    just use ear plugs, not that it helps but you will feel better when they are out. muttman

  4. #14
    Gunco Veteran muttman's Avatar
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    should of added that Ill be geting a bolt and carrier for my pistol build and will be in the dog house soon. muttman

  5. #15
    Gunco Member Honest1's Avatar
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    Live alone, nobody to listen to except the demons in your head that's what I do. Then just buy and build!

  6. #16
    Gunco Rookie tommerr's Avatar
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    I have converted dozens of Suomi bolts and I have an BATFE letter. I fought the conversion for a good year. Most of those bolts remain at 55Rc. Now that was a lesson. Strip the bolt and heat it at 900F for 1.5 hours. The hardness will drop to 40/45Rc. That is still plenty tough and more machinable. The firing pin hole is NOT concentric to the OD of the bolt. It never had to be concentric in an open bolt design. I built special tools for bolt turning and firing pin removal.

  7. #17
    gunco irregular moleman's Avatar
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    Thanks Tommer, what are your thoughts on rehardening an annealed bolt after machinine?

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