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Shooting Forum - Firearms licencing information


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Any Recommendations for Bluing Threads?

  • 14-07-2016 7:42pm
    #1
    FISMA.
    Registered Users, Registered Users 2 Posts: 451 ✭✭


    I need to blue some barrel threads and would appreciate it if anyone could advise how they cold blued threading. What worked? What didn't? What product would you recommend? What would you recommend to stay away from. Pastes or liquid?

    Anyone ever try Oxpho-Blue or 44-40?

    Thanks.


Comments

  • #2
    Cass
    Moderators, Sports Moderators Posts: 28,631 Mod ✭✭✭✭Cass


    Used Bisley gun bluing once on a very small spot on a rifle. The results were okay, but nowhere near the original finish.

    What are you bluing the threading for?
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  • #3
    Grizzly 45
    Registered Users, Registered Users 2 Posts: 15,080 ✭✭✭✭Grizzly 45


    Same question I was going to ask Its going to be hidden by either the silencer or the thread protector cap?

    Birchwood Casey used to or still do, make a
    "magic marker" style pen for minor touch ups on your bluing.Its "okay" for very minor scratches and dings but you have to do it a good few times to get compatible blueing of the rest of the gun.It would take the "shine" off the bare metal threads alright,but wont give you a lovely factory finish.

    "If you want to keep someone away from your house, Just fire the shotgun through the door."

    Vice President [and former lawyer] Joe Biden Field& Stream Magazine interview Feb 2013 "



  • #4
    Rimfire Shooter
    Closed Accounts Posts: 251 ✭✭Rimfire Shooter


    Hoppes Gun Blue I've used it for threading & it works perfect.


  • #5
    FISMA.
    Registered Users, Registered Users 2 Posts: 451 ✭✭FISMA.


    Just want to get something on the threads to prevent rusting.


  • #6
    Grizzly 45
    Registered Users, Registered Users 2 Posts: 15,080 ✭✭✭✭Grizzly 45


    You could just oil the threads and put a bunch of rounds thru it in quick succession.The oil will cook onto the threads and give a blueish finish ..Or if you are brave this can be done with a blow torch[paint stripper type]You want to get it hot but not so hot that it is glowing red or that the metal is changing colour.Just hot in the sense if you touched off you woudl know about it.and then simply drip gun oil onto the hot part.Pretty much how standard nuts and bolts are blued after they are made.

    "If you want to keep someone away from your house, Just fire the shotgun through the door."

    Vice President [and former lawyer] Joe Biden Field& Stream Magazine interview Feb 2013 "



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  • #7
    clivej
    Registered Users, Registered Users 2 Posts: 7,064 ✭✭✭clivej


    Grizzly 45 wrote: »
    You could just oil the threads and put a bunch of rounds thru it in quick succession.The oil will cook onto the threads and give a blueish finish ..Or if you are brave this can be done with a blow torch[paint stripper type]You want to get it hot but not so hot that it is glowing red or that the metal is changing colour.Just hot in the sense if you touched off you woudl know about it.and then simply drip gun oil onto the hot part.Pretty much how standard nuts and bolts are blued after they are made.

    I was tought in school (way, way back) that you heat the metal, iron, up until it turns 'Blue' and then plunge into oil to get that blue colour. That Blue colour comes just before the metal goes red hot.


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