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Thread: DUAL MAC UPPER project (DMAC/RR20)

  1. #101
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    https://youtu.be/KhDhk_MhFMw

    Beautiful day at the range. Successful test. My top concern was ensuring three different mount points did not put tension on the barrels & cause bolt binding. It ran perfectly- shrouds shook loose and the trigger rod got caught up in the center plate because it’s not fixed yet- now that the bolt function is tested I can tap those to the correct position and weld them in place- then it will be ready to run 50 round magazines. I was surprised how much it moved, even mounted to the box... which was not light!

    Thanks to Offmarksman for taking the video.
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  2. #102
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    Really Cool seeing it in person. Great time at “Trigger-treat” this morning! Looking forward to seeing the 12 gauge in the Spring!!!

  3. #103
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    What a fun project! Great to see it run out at the range Saturday. Don't think I had ever seen you out there before. If you need a little help finishing the project, I can probably improve on the plywood and copper parts. I also have a few 50 round RO mags if you need more.

  4. #104
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    Matches out there are always nice, great group! Next time bring those mags loaded, and you guys can use this to empty them!!
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  5. #105
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    Good job! Congrats on the test.

    Will there be a bipod adapter? The line of sight would be great for that or a taller tripod.

  6. #106
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    Quote Originally Posted by strobro32 View Post
    Good job! Congrats on the test.

    Will there be a bipod adapter? The line of sight would be great for that or a taller tripod.
    Thanks. I have one of the heavy German tripods, which sits higher and might be more stable. I used this one because the elevation limiter was simpler to make and I had limited time- I will try to have the other one next time we run it so it can sit at operator level.
    Last edited by rybread; 11-02-2020 at 04:58 PM.
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  7. #107
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    Awesome!!

  8. #108
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    Going to do final welds this weekend and empty some large capacity mags though it before it gets too cold. I may install my detent slow fire system on mine since this is essentially a stock configuration and runs fast!

    I know several people have indicated interest- if you would like one of these and have not already done so, please message me so I can put you on the list, so I can price out a run of them based on the number of units. I can provide a parts kit or we can negotiate a build with a Mac shop... but really if I can build this.. Iím betting you could!
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