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Help for Beretta 303

Discussion in 'Shooting Related Threads' started by jm1079, Apr 29, 2013.

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  1. jm1079

    jm1079 Well-Known Member

    Joined:
    Jan 29, 1998
    Messages:
    1,760
    May I ask for help on what tool to use to loosen the stock bolt nut? I would like to replace the stock shim. Thanks. JM
     
  2. cubancigar2000

    cubancigar2000 Well-Known Member

    Joined:
    Jan 29, 1998
    Messages:
    10,521
    Location:
    Idaho
    It most likely has a slotted nut. The nut takes a thin wall socket ( 13/16 if I remember, I made a t handled screw driver to fit the slot. Some but not all will have enough room to get the socket in. I used a hole saw and made a little more room for an easier trip the next time. They can be testy but doo able
     
  3. Seamus O'Caiside

    Seamus O'Caiside Active Member

    Joined:
    May 10, 2010
    Messages:
    141
    It is 19mm, which is essentially the same thing as 3/4".

    The hole is tight, and a thin-wall socket would help, but so far I have been able to do it with a standard socket, except for one trap gun. The trap model uses a different arrangement inside the stock (a washer, not a drop shim) and the hole is tighter. I made a big screwdriver blade out of a piece of flat steel stock. IIRC, it was 1" X 1/8" stock, and I dressed it down on a bench grinder and turned it with a pair of vice-grips.

    NOTE: If you go the screwdriver route, the driver has to fit the big slot that goes all the way across the hex nut. There is a smaller slot inside the nut, but don't try to turn that - that slot is for the pin that holds the plug for the recoil spring - it will not turn.
     
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