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Browning "Hinge Pin" Wear

Discussion in 'Shooting Related Threads' started by MarkinMI, Jan 21, 2010.

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  1. MarkinMI

    MarkinMI TS Member

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    I have a very slightly-used Browning "Special Edition Trap" O/U. Upon a recent cleaning, it looks to me that there is some pretty substantial wear, or metal deformation, on one side of the hinge pin (??correct terminology??) and corresponding wear on the bbl block that the pin rotates in. Is this normal, or should both mated surfaces be smooth? It is still being "broken-in," but upon shooting it seems harder to open during a round of trap, especially so when firing the top bbl?! Any input/suggestions would be much appreciated.

    Thanks,

    Mark.
     
  2. grunt

    grunt TS Supporters TS Supporters

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    Browning

    Most are smooth. Do you use a lube?
     
  3. phirel

    phirel TS Member

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    Mark- The pins should be smooth. One common cause of this type of wear is some debris got in the pin area. Be sure to keep the pins lightly lubed and clean. Clean is much more important than the type of lubricant you use.

    Pat Ireland
     
  4. FAT-BOY

    FAT-BOY TS Member

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    Browning

    This is a critical area on any single or over-under shotgun and requires cleaning and lube after every shoot. My Browning has 60,250 rounds and no wear. Also lube the forearm metal contact area.
     
  5. MarkinMI

    MarkinMI TS Member

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    Browning

    ...thanks, guys. I do use a lube every shoot, and clean the gun, as well. My concern now is if this "wear" will increase, or just remain as-is. Don't know if I dare try to "smooth it out" with some fine emery, or not. Mebbe should have a smith look at it?

    Mark.
     
  6. chipking

    chipking TS Member

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    Browning

    If you are talking about "smoothing" it out then you are talking about galling not normal wear. You should have this looked at by a competent gunsmith. Any work you do in there with even the finest crocus cloth can and will effect your headspace. If it is too bad a Smith will either build the area up (on both hinge pin and trunnion) and then return to correct dimensions or replace the hinge pin and fit everything. This is not something that should be attempted at home.

    --- Chip King ---
     
  7. phirel

    phirel TS Member

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    Browning

    Do not try to smooth it out. With your gun clean and lightly lubed, open it and close it several times. You should be able to feel if it is binding. You mentioned that it seemed harder to open when the top barrel is fired. Make sure that the firing pin is not leaving a mark on the shells. Look for a straight line from the primer down to the edge of the shell. It is possible that you have a breech alignment problem. Only a gunsmith very familiar with your type of gun could determine this.

    Pat Ireland
     
  8. wayneo

    wayneo Active Member

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    Browning

    Do the barrels lock up to the receiver tight WITHOUT the forearm? If no, could be a problem. If yes, is there any play between the barrels and receiver with the forearm attached and the gun broke open? Is your forearm iron tight? can you gets some pics? Hold off on the emery idea. Wayne
     
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