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Thread: Building a pump mag

  1. #1

    Cool Building a pump mag

    I'm trying to piece together a pump mag.
    I've searched an I found a youtube video, but It doesn't saying anything about the bolt bumper? It looked different.
    Video:
    https://www.youtube.com/watch?v=1p18G9IAwlw
    I have a few wave springs, milled body, rail and a 3d-printed pump kit. Anything else?
    thanks
    MR
    Last edited by MPRoberts0; 09-12-2023 at 02:47 PM.

  2. #2
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    bumper needs to fit inside the wave spring. most people cut a stock bumper down.
    you will also need a pump milled body and rail.

  3. #3
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    Some kits used an o-ring to keep the sprinkler centered.
    ......You know you want one!!

  4. #4
    Thanks guys! Sprinkler? are you talking about the wave spring? hmmm I wonder what size. And yes, I have a milled body and rail.

  5. #5
    Join Date
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    time to make a slurpee!
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    I design/engineer Fire Sprinkler Systems for a living. Guess I have sprinklers on the brain...
    Yes I meant the wave spring.

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