Gas Piston needed for A500G!

Discussion in 'Firearm Maintenance, Modification, Safety And Trou' started by Gary S, Apr 3, 2018.

  1. Gary S

    Gary S Copper BB

    Newbie here-
    Yes, it's an old shotgun, but it's served me well with many birds to it's credit over the years. Now, when shooting 1 1/8 oz target loads, the bolt will begin to eject the shell but a new one is released from the magazine and gets trapped under the bolt. The gas piston has ~0.040 - 0.050" of play in it. Can't get it apart to determine what is worn and no one so far has a replacement piston assembly. It seems to work with 3" duck loads. Midwest Gun Works and Western Gun Parts (Canada) have the rear piston only. This is my last ditch chance to find a replacement gas piston. Or, modify the existing one. Anyone???
    Thanks.
    Gary
  2. Rudolph31

    Rudolph31 20g

  3. Gary S

    Gary S Copper BB

    Thanks for the reminder. I downloaded the FSM a couple of days ago but must have blown past that part. I'll check it out. Still concerned about the amount of play in the piston assembly. Maybe it's my excuse to go buy a new 12 gauge???!;)
  4. Rudolph31

    Rudolph31 20g

    The Maxus is nice...

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