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Thread: Double discharge.

  1. #1

    Double discharge.

    Had a Beretta sideplate on the clay ground on Saturday and the gun has a under 500 round count. After 75 or so shots it started to occasionally double discharge and it slowly got worse. I parked the gun up and finished the day with a shared gun.
    There is zero wear in the gun but it has been in the cabinet for five years and i clean it with Youngs 303 liberally.
    Any ideas?

  2. #2
    Is it possible / easy to take the plate off and have a look?.
    "Don't say I didnae warn ye !"

  3. #3
    First fire it with snap caps repeatedly, to see if it doubles, and what sort of triggering that requires.
    If it doesn't double, try it with a snap cap in the second barrel, to see if the recoil is doing it, or if you are moving your finger on the trigger, which is perhaps set improperly, so that you are pulling it twice.

  4. #4
    found you this feller:


    1. www.youtube.com/watch?v=dtkNJnlJSxY‎




      28 Jan 2012 - Uploaded by Beretta
      Head gunsmith Ed Anderson brings us behind the sideplate of a $100000 Beretta premium shotgun.

      help you strip it and inspect and clean locks and sears





    Quote Originally Posted by RED-DOT View Post
    Had a Beretta sideplate on the clay ground on Saturday and the gun has a under 500 round count. After 75 or so shots it started to occasionally double discharge and it slowly got worse. I parked the gun up and finished the day with a shared gun.
    There is zero wear in the gun but it has been in the cabinet for five years and i clean it with Youngs 303 liberally.
    Any ideas?

  5. #5
    Done a full clean and tried the snapcaps and it seems to be still doubling. I am reasonably competant but i don't have the gunsmiths tools to remove the stock so i guess it's a trip to Andy Coull at Osbourne Guns.

  6. #6
    Is it doubling with two snap caps in it, no live round fired, no recoil?

    That will help the gunsmith narrow down to what part of the trigger mechanism, whether the trigger is not resetting all the way and locking the hammer fully, or something else.

  7. #7
    If it's been oiled, stood barrels upwards and left a fair while then oil could have gathered in the locks and be causing problems with the mechanism.
    I only ever use wd or similar on parts that can't be reached easily as anything else tends to thicken up over time.
    I knew someone who used Rangoon oil on his shotgun and didn't use it for quite a while. He also stored it barrels up so by the time he got it out to clean and use the locks were totally gunked up.
    There was no rust at all though
    "Don't say I didnae warn ye !"

  8. #8
    Let a gunsmith look at it don't go fiddling.

  9. #9
    Hi RD
    a mate had the same prob with a beretta took it to a smith and he was over oiling it and lots of oil was in the action
    maybe the same prob ?

  10. #10
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    I suspect it is an over oiling issue. I don't know if you do already but it's a good idea to always store guns muzzle down so that any excess oil doesn't gunk up the action or soak into the woodwork. Otherwise I suspect it is possible to adjust the sear engagement on the gun relatively easily or adjust the amount of weight on the trigger selection system. It is an inertia system on Beretta single trigger guns so if you fire the gun with snap caps in place it shouldn't fire the second barrel at all until you tap the butt sharply to cycle the inertia system onto the second barrel. I hope this helps. Incidentally if the gun was second hand it is most likely to be a badly adjusted inertia system as many people have it adjusted so it can fire 24gm clay loads when new and then when the action loosens up during use, normal loads can result in double discharge. Simple job to sort, but best done by a gunsmith in my opinion.
    Alistair

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