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Thread: MaadiMan's play-by-play MG47 build thread

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    OCD ADD Patriot MaadiMan's Avatar
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    Default MaadiMan's play-by-play MG47 build thread

    I've been bitten with the belt-fed bug. I've decided to try my hand at building a semi-auto AK-based (loosely) beltfed rifle. My starting point was this:

    It's a Romy G kit with an RPD barrel that's been turned down to accept milled Type3 barrel bits. It bores me.
    So I got this:

    It's an RPD topcover, feedtray, and 100 round belt.

    My plan is to join the two in an unholy union, otherwise known as an MG47.
    The first step I did was to tackle building a reciever. I built it out of .050" thick 4130 sheet. Here I'm bending it on my super-cheap $35 Harbor Freight brake:



    Then I welded up the seam. The seam is on the top surface, so most of it will be cut away and covered by the topcover. I left the piece intentionally long so that I can rivet the trunnion back about 1/3 the length from the front, and have a built in handguard. Kind of a 1 piece receiver/handguard/barrel-shroud like an MG43. Only shorter.


    And here it is mocked up with my belt full of empty brass and the topcover/feedtray to give y'all an idea of where I plan on mounting it on the receiver.

  2. #2
    TRX
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    Gunco Irregular TRX's Avatar
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    Yee-haw!

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    OCD ADD Patriot MaadiMan's Avatar
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    On to the next step; Demilling the AK

    Here stands the condemned:


    Post demil after I pressed off the sight block, gas block, removed the handguard retainer, then reinstalled the gas block, and then put the sight block on upside-down:


    Crappy cel phone pic after I cut the charging handle off. I also cut off the bottom 2 rivet holes on the trunnion (the feedtray has to go there):

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    Always sore, always tired Bradrock's Avatar
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    Is there a bargain source for RPD top cover/ feedtrays??
    " Save a tree...........Eat A Beaver!"

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    Gunco Rookie em2b96p's Avatar
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    looks good!

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    OCD ADD Patriot MaadiMan's Avatar
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    Quote Originally Posted by Bradrock View Post
    Is there a bargain source for RPD top cover/ feedtrays??
    Unfortunately no. This was pieced together from leftover bits and pieces.

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    No Hope For Me Coils's Avatar
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    Is there a bargain source for RPD top cover/ feedtrays??
    Not really, just got to keep en eye open or put up WTB ads.

    Here's one but I think it's a little over priced
    Russian RPD top cover and feed tray like new : Parts Kits at GunBroker.com
    "Government is not the solution to our problem, government is the problem" Ronald Reagan

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    OCD ADD Patriot MaadiMan's Avatar
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    I got a little bit done today in between taking the younguns to soccer and starting a batch of biodiesel. I used my flapper wheel to smooth out the weld on the receiver's seam:


    Since my mill is packed up and not accessable right now, I used the angle-grinder to cut down the top (bottom) of the rear sight block, so it would fit inside the new receiver. I haven't yet figured out what I'm going to do for the gas-tube, but I figured it would be good to retain the option to still use the gas-tube retainer on the rear sight block:


    Then I took a better picture of where I'm at with the trunnion trimming. I still have to cut the ears down a bit more to get the bullet guide to fit up tight into the feed-tray:

  9. #9
    Gunco Regular Shadow Walker's Avatar
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    Bradrock, check with SARCO, INC. They are advertising RPD parts, including feed covers w/sights for $125., right now. They are adverting in Shotgun News, which available at Wal-Mart.

  10. #10
    AKAHOLIC o.d. ak's Avatar
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    That thing is going to be awesome.

    Nice Work !!!

    Keep the pics coming !!

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