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Autoloader Shotgun Gas Cylinder Detachment

Discussion in 'Gunsmithing and Repairs' started by spiker44, Mar 14, 2018.

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  1. spiker44

    spiker44 Member

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    Gas cylinder on a Rem 1100 came off the barrel. You can see where the solder did not take on better then half of the mounting surface. If I thin both surfaces and use a heat sink paste. Can I use 1200 degree solder without any change to the tempering of the barrel or the cylinder?
    Thanks
     
  2. entropy

    entropy Member

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    I'd find another barrel first, then toy with silver soldering it.
     
  3. Kp321

    Kp321 Member

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    I like the idea of finding another barrel, they are plentiful, but yours is repairable. Remington uses a brazing alloy that requires 1000*+ heat so your 1200* silver solder won't hurt anything except the bluing. Heat stop paste will minimize the damaged area.
     
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  4. BBBBill

    BBBBill Member

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    Send it to Remington and demand a new barrel.
     
  5. Jim K

    Jim K Member.

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    If you do try to repair that barrel, use heat paste in the interior of the barrel as well; the barrel will get hot enough to ruin the smooth interior finish and the rough spot will act to trap lead and crud.

    Jim
     
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  6. BBBBill

    BBBBill Member

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    ^^^ Truth!!!
     
  7. spiker44

    spiker44 Member

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    I have a ported barrel and Rem no longer makes it. I have some $$ tied up in that barrel. I will try it with the sugestions you all gave me and if it goes bad, well then i guess its a new barrel. Main concern was getting a problem with the heat on the barrel.
     
  8. Old Shooter

    Old Shooter Member

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    Would it be worth a call to Remington to see if they will repair it, Whether on their dime or not? What's a phone call cost today anyways?
     
  9. spiker44

    spiker44 Member

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    We did call them and said they would only replace the barrel at a cost. But they no longer have the ported barrel. Ill try it and if it fails, well I will get a new barrel for it
    Thanks. Ill let you know how it works out
     
  10. Old Shooter

    Old Shooter Member

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    In that case you don't have anything to lose by trying to repair it yourself. Worst case is you buy a new or used barrel, best case is it runs like a champ forever. Good luck!
     
  11. BBBBill

    BBBBill Member

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    Ports are easy. It can be done on a mill or even by hand with a U-Port-It jig from Brownell's. I've done several with one of those after a "pro" screwed up one of my barrels. His work on a mill looked like junior used his dad's DeWalt drill. Truth told, barrel porting is not his main line of work, but he has a national reputation for gunsmithing and refinishing. Still, no excuse not to do quality work or refuse it if not capable.
     
  12. spiker44

    spiker44 Member

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    BBBBill Yes I agree. A customers barrel is not something to learn on. I will look up the porting jig
    And ike Old Shooter said nothing to loose.
     
  13. spiker44

    spiker44 Member

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    Hi, just a follow yup. I just finished shooting a box of trap loads thru my barrel. No problems at all and solid as a rock. I ended up using a Brownells product called High Force 44. Low melting point (425 deg) with high strength (25,000 psi) . Had to be precise as it wont take a bluing. Very happy with the results.080649110
    FLUXED HI-FORCE 44 SOLDER
     
  14. shooter1niner

    shooter1niner Member

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    Did you remove all of the old braze? and how if yes?
     
  15. spiker44

    spiker44 Member

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    Hi sorry for the delay in the answer. It was not brazed but a silver solder. I heated and fluxed both parts then ran a wire brush across bot surfaces until clean. I then thinned bot mating parts before sweating them together. The product flowed nice and I even got a fine bead around the perimeter of the weld.
     
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