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  1. #1
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    Default Harrington & Ridchardson Topper Mod 48

    Hi all

    Hope you can help. My dad has a Harrinton & Ridchardson Topper Mod 48 Single shot breach loading shotgun. He recently experience a problem with the breach opening once a shot is fired. We tried giving the breach action a proper clean and also had a look at any objects obstructing the proper locking of the action. Removed two pieces of shot from the mechanism but test shots after this still had the same effect. Could newer shotgun shell be too hot for the gun. The gun was most probably manufactured in the 1940's?

    Regards

    Lomuss

  2. #2
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    Mar 2010
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    Hartenbos
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    Default Re: Harrington & Ridchardson Topper Mod 48

    I had "inhereted" that exact model shotgun from an aunt. It was in a good condition and not well used. I experienced the same problem, and traded it (disclosing the problem) at a dealer for a Brno zh301 o/u.

    I never established the cause, though.

    Those guns have no "collectors value" and they were cheaply made. I would not spent money on it.

  3. #3
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    Default Re: Harrington & Ridchardson Topper Mod 48

    Check what cartridge it was chambered for. If it was chambered for a 2.5" cartridge a 2.75" cartridge would go into the chamber. The longer cartridge will unfold into the forcing cone, raising the pressure high enough to damage the mechanism.

  4. #4
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    Default Re: Harrington & Ridchardson Topper Mod 48

    From what little I could find on the net, the Topper mod 48 seem to have a 2.75" chamber.

  5. #5
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    Default Re: Harrington & Ridchardson Topper Mod 48

    Thanks corriedewilde I will have a look at the chamber size and post the result.

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