Loose boxlock shotgun breech - can it be fixed?

Discussion in 'Technical Questions & Information' started by cdncowboy, Sep 24, 2010.

  1. cdncowboy

    cdncowboy New Member

    Sep 23, 2010
    I have an old boxlock double barrel that I use for partridge hunting. It functions perfectly fine but it has very slight play in the breech when the hinge is closed. The barrels will move very slightly up/down and side to side.... is this something that can be fixed?

    Thanks all.
  2. Helix_FR

    Helix_FR Active Member

    Apr 14, 2009
    Imperial, MO
    Yes it can by building up the lug contact surfaces and re-cutting. Not exactly an easy solution but it is a solution. Some surfaces can be peened over or stretched to look things up tighter but they will soon loosen up again from use if it is a high stress area.

  3. cdncowboy

    cdncowboy New Member

    Sep 23, 2010
    I appreciate your input Helix, thanks.
  4. Jim K

    Jim K New Member

    Dec 6, 2009
    Helix gave a good answer, but permit me to add that the work he mentions, done right, is costly and a lot depends on the age and original quality of the gun. It is one thing to spend money on a top-notch repair job for a $25,000 gun; it is another to spend the same amount on an old Belgian Damascus barrel that cost $4 when new in 1890 and hasn't gained much value since. Sometimes it is tough to retire an old gun, even one of little intrinsic value, but that day does come.

  5. Max Donovan

    Max Donovan Member

    Mar 1, 2010
    Once upon a time, you could buy steel shim stock at the auto supply store in pieces 8" by 1/2 inch in every thousand of an inch from one to eightteen. If you can finds some, try different thicknesses until you find your gap. Then cut a small piece and soft solder it into the half-round recess in the barrel lump. Yes, soft solder like you use on plumbing. All the stress is in compression and sheer and it will hold forever.
  6. cdncowboy

    cdncowboy New Member

    Sep 23, 2010
    Excellent tip, thanks Max.
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