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  • Supersapper
    Senior Member
    • Jan 2014
    • 1228

    Bluing advice

    Hi folks,

    Merry Christmas to all, or if you don't use those words, then Happy Holidays!

    I am looking to reblue a Luger P08 from WW1. Before anyone gets too upset, the stock lug was horribly removed before I got it, as well as someone lightly etching "7.65" into the bluing on the side. The grip is a mismatched coloring and there is very light surface corrosion forming near the top of the grip, under the lanyard loop (which was also removed prior to my owning it). The pistol has been rebarreled, so it is shooter grade. I'm not wrecking a collectible.

    The metal itself is in decent shape and I would not need too much metal work to get it ready.

    I've reviewed some of the threads and suggestions here. First, it appears there aren't any places now in SoCal that do corrosion resistant bluing anymore (Hot salt Blue??). Next, I'm a bit loathe to just send the gun off somewhere; I'd rather drive it there if possible. I'd have to see.

    The video I saw that seems to make the most sense was one using Mark Lee's Brown, heat, and Oxpho Blue. If this is a good way to go, then be great to chat with someone who has some experience.

    --I heard the boiling the parts in distilled water with some apple cider vinegar will remove all of the original bluing everywhere. The AC Vinegar used because it is lightly acidic and will take the old bluing not removed by the sanding and metal work right off. Does this sound correct?

    --Put the parts in the oven and when at the right temp (I guess according to the Lee's Brown??), begin the process of Brown then Oxpho blue?

    --Lastly, the older Lugers had straw colored parts, which I'm told is simply heating the parts to a specific temp and letting them cool. Is this basically it?

    Thanks for any suggestions. I know I'm not an expert and maybe chewing off a bit more than I'm familiar with, but I just want to make the gun look a little better than it does.

    Shoots flawlessly by the way...20 yards with the ammo I load for it and round go through the same hole and not a rattle anywhere in the gun.

    Mark
    --Magazines for Sig Sauer P6
    --Walther P-38. Prefer Pre 1945
    --Luger P08

    Originally posted by ar15barrels
    Don't attempt to inject common sense into an internet pissing contest.
  • #2
    mtenenhaus
    Veteran Member
    • Jul 2007
    • 3416

    I think i tried the same video that you're referencing (It sounds like it's the same).

    It worked, in so much as that it did turn the well prepped surface a brownish blue after a rust phase. I did use a heat gun as well and that helps a lot.

    That said, the end result was not the prettiest or deepest blue that i had hoped for...the brownish tint overwhelms the final result in my opinion....looking a bit more like a military rifle than say the gorgeous bluing one often associates with Classic Colt and Smith and Wesson firearms.

    With respect to prepping and removing any residual bluing, i disassembled the firearm completely, cleaned all the metal parts with brake fluid then washed all the parts in warm soapy water several times, then i used the 5% Vinegar solution a couple of times and did some polishing as needed.

    I've only done 1911s so i can't speak to the straw colored parts.

    The nicest results i've experience to date were derived not from cold bluing techniques but rather the more classic series of hot solution salt baths. It's really not all that tough to do in retrospect and truth be told, took less time.

    Be safe, protect your skin and eyes, do it outdoors as it smells bad and prepare everything carefully so the transitions are smooth and efficient.
    Last edited by mtenenhaus; 12-24-2021, 10:35 PM.

    Comment

    • #3
      Supersapper
      Senior Member
      • Jan 2014
      • 1228

      Given that this is a military pistol, it may not be horrible in the end. Did it offer the corrosion resistance they spoke of in the video?
      --Magazines for Sig Sauer P6
      --Walther P-38. Prefer Pre 1945
      --Luger P08

      Originally posted by ar15barrels
      Don't attempt to inject common sense into an internet pissing contest.

      Comment

      • #4
        Woodymyster
        Member
        • Jan 2009
        • 418

        I dont know if you care, but that early luger should be rust blued. This could be done to focus on certain parts of the gun ( early lugers were not blued internally until the process was changed to salt bath blueing before ww2).

        You can do a salt bath at home, especially for a small pistol like a luger, but the process is pretty dangerous and time consuming for the prep work. You would need to boil an oxidizer like ammonia nitrate, sodium nitrate, potassium nitrate, etc.) Multiple tanks, water displaces, maintaining temp, etc.

        It might be easier to do a rust blue at home. Apply a chemical to induce rust after prepping the surface and then boil the part. The rust turns to black. You knock off the loose rust with steel wool and repeat many times until the desired color. Problem is you may never prep the surface and get a hold of a rust blue solution to create the finish you desire.

        I can go in detail if you like.
        southsac916
        When you are done with toys, get a Glock.
        AlbcAlbrr
        When you're done with the tupperware, get a Sig.

        Comment

        • #5
          hermosabeach
          I need a LIFE!!
          • Feb 2009
          • 19534

          What is the end result you want???

          To look factory and be as close to original as possible?
          To have any finish that matches on all parts? Sand blast and parkerizing

          Parkerizing can be used 2 ways
          1- soak in oil as the military did
          2- use the grippy raw park finish as a base to spray on a modern coating
          A- ceracote - a million colors
          B- a modern finish like S&W uses - aka norells moly resin.


          Or - tell us more about the end result you want and is the budget over $500 over $1k over $2k

          Etc
          Rule 1- ALL GUNS ARE ALWAYS LOADED

          Rule 2 -NEVER LET THE MUZZLE COVER ANYTHING YOU ARE NOT PREPARED TO DESTROY (including your hands and legs)

          Rule 3 -KEEP YOUR FINGER OFF THE TRIGGER UNTIL YOUR SIGHTS ARE ON THE TARGET

          Rule 4 -BE SURE OF YOUR TARGET AND WHAT IS BEYOND IT
          (thanks to Jeff Cooper)

          Comment

          • #6
            Supersapper
            Senior Member
            • Jan 2014
            • 1228

            Woodymyster -- PM sent
            --Magazines for Sig Sauer P6
            --Walther P-38. Prefer Pre 1945
            --Luger P08

            Originally posted by ar15barrels
            Don't attempt to inject common sense into an internet pissing contest.

            Comment

            • #7
              Supersapper
              Senior Member
              • Jan 2014
              • 1228

              Originally posted by hermosabeach
              What is the end result you want???

              To look factory and be as close to original as possible?
              To have any finish that matches on all parts? Sand blast and parkerizing

              Parkerizing can be used 2 ways
              1- soak in oil as the military did
              2- use the grippy raw park finish as a base to spray on a modern coating
              A- ceracote - a million colors
              B- a modern finish like S&W uses - aka norells moly resin.


              Or - tell us more about the end result you want and is the budget over $500 over $1k over $2k

              Etc
              I am trying to redo the finish to make it more uniform and restore some of the corrosion resistance. The finish now is blotchy and heavily worn, with a light surface rust in a small place. I want to fix all of that. I don't need a restored factory finish. I'm actually more interested in a modern, black finish like may modern pistols. Yes, I know the process is bluing, but I want the darkest, almost black like many modern pistols.
              --Magazines for Sig Sauer P6
              --Walther P-38. Prefer Pre 1945
              --Luger P08

              Originally posted by ar15barrels
              Don't attempt to inject common sense into an internet pissing contest.

              Comment

              • #8
                hermosabeach
                I need a LIFE!!
                • Feb 2009
                • 19534

                I would seriously look at having a smith lightly sand blast, parkerizing it and then the norells moly resin finish.


                It would be the same as the dark / black smith and Wesson air lights.
                Rule 1- ALL GUNS ARE ALWAYS LOADED

                Rule 2 -NEVER LET THE MUZZLE COVER ANYTHING YOU ARE NOT PREPARED TO DESTROY (including your hands and legs)

                Rule 3 -KEEP YOUR FINGER OFF THE TRIGGER UNTIL YOUR SIGHTS ARE ON THE TARGET

                Rule 4 -BE SURE OF YOUR TARGET AND WHAT IS BEYOND IT
                (thanks to Jeff Cooper)

                Comment

                • #9
                  hermosabeach
                  I need a LIFE!!
                  • Feb 2009
                  • 19534



                  Moly Resin™/Norrell’s Moly Resin™ is a product trademark of John Norrell Inc. Moly Resin™ is a thermally cured phenolic coating initially developed for aluminum AR-15/M-16 receivers and stainless steel sound suppressors. Today, Moly Resin™ is used on all metals throughout the firearms industry by gun shops, firearm parts manufacturers, start-up manufacturers, gunsmith schools, home DIYers, and law enforcement agencies for ordnance usage on equipment and weapons. The low temperature activated catalyst hardens and bonds the coating to all metals to create a hard, durable, chemical and a heat resistant state-of-the-art firearm finish. Our goal is to provide an array of popular colors that match closely to those being currently used in the firearms industry and military, as well as, vintage colors for special firearm restoration projects. The application process is relatively simple and is based on the use of an inexpensive air brush followed by curing in an oven.
                  Pricing:
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                  --



                  --

                  Moly holds up extremely well and also hides a lot of machining marks.
                  Last edited by hermosabeach; 12-25-2021, 10:21 PM.
                  Rule 1- ALL GUNS ARE ALWAYS LOADED

                  Rule 2 -NEVER LET THE MUZZLE COVER ANYTHING YOU ARE NOT PREPARED TO DESTROY (including your hands and legs)

                  Rule 3 -KEEP YOUR FINGER OFF THE TRIGGER UNTIL YOUR SIGHTS ARE ON THE TARGET

                  Rule 4 -BE SURE OF YOUR TARGET AND WHAT IS BEYOND IT
                  (thanks to Jeff Cooper)

                  Comment

                  • #10
                    hermosabeach
                    I need a LIFE!!
                    • Feb 2009
                    • 19534

                    Rule 1- ALL GUNS ARE ALWAYS LOADED

                    Rule 2 -NEVER LET THE MUZZLE COVER ANYTHING YOU ARE NOT PREPARED TO DESTROY (including your hands and legs)

                    Rule 3 -KEEP YOUR FINGER OFF THE TRIGGER UNTIL YOUR SIGHTS ARE ON THE TARGET

                    Rule 4 -BE SURE OF YOUR TARGET AND WHAT IS BEYOND IT
                    (thanks to Jeff Cooper)

                    Comment

                    • #11
                      hermosabeach
                      I need a LIFE!!
                      • Feb 2009
                      • 19534

                      threads you might like to read




                      Getting the final stuff for a build, and wondering if anyone has experience with both Norell's Moly Resin and oven cured Cerakote.I've used Moly Resin before, came out great and very durable. It's al




                      I know that the most durable finish would be to do Moly Resin over parkerizing, but for this instance, that is not an option. Therefore, I would like to know what finish would be more durable/desirable: Parkerizing or Moly Resin over bare metal? For reference, the finish will be applied to a...




                      Anyone have any experiences w/ the Moly Resin? How does it hold up to Durakote, Gunkote, Cerakote,...etc????
                      Last edited by hermosabeach; 12-25-2021, 10:30 PM.
                      Rule 1- ALL GUNS ARE ALWAYS LOADED

                      Rule 2 -NEVER LET THE MUZZLE COVER ANYTHING YOU ARE NOT PREPARED TO DESTROY (including your hands and legs)

                      Rule 3 -KEEP YOUR FINGER OFF THE TRIGGER UNTIL YOUR SIGHTS ARE ON THE TARGET

                      Rule 4 -BE SURE OF YOUR TARGET AND WHAT IS BEYOND IT
                      (thanks to Jeff Cooper)

                      Comment

                      • #12
                        ar15barrels
                        I need a LIFE!!
                        • Jan 2006
                        • 57134

                        Originally posted by Supersapper
                        Given that this is a military pistol, it may not be horrible in the end.
                        Did it offer the corrosion resistance they spoke of in the video?
                        Bluing does not offer any corrosion resistance.
                        Bluing is cosmetic.
                        You need oil for corrosion resisitance.

                        Parkerizing holds oil far better than bluing and that's why military guns are often parkerized.
                        Randall Rausch

                        AR work: www.ar15barrels.com
                        Handguns: www.handgunbarrels.com
                        Bolt actions: www.700barrels.com
                        Foreign Semi Autos: www.akbarrels.com
                        Most work done while you wait on a scheduled shop visit.

                        Comment

                        • #13
                          ar15barrels
                          I need a LIFE!!
                          • Jan 2006
                          • 57134

                          Originally posted by Supersapper
                          I am trying to redo the finish to make it more uniform and restore some of the corrosion resistance. The finish now is blotchy and heavily worn, with a light surface rust in a small place. I want to fix all of that. I don't need a restored factory finish. I'm actually more interested in a modern, black finish like may modern pistols. Yes, I know the process is bluing, but I want the darkest, almost black like many modern pistols.
                          Park and oil for corrosion resistance on all the internals.
                          Paint the outside whatever shade of black you want.
                          Randall Rausch

                          AR work: www.ar15barrels.com
                          Handguns: www.handgunbarrels.com
                          Bolt actions: www.700barrels.com
                          Foreign Semi Autos: www.akbarrels.com
                          Most work done while you wait on a scheduled shop visit.

                          Comment

                          • #14
                            fish45
                            Member
                            • Oct 2017
                            • 386

                            Muriatic acid will remove bluing pretty easily.

                            Stationary polishing wheels help with buffing.

                            Bluing does offer corrosion protection. It still needs to be oiled after but it is much better than raw unfinished steel…

                            If you’re doing this yourself at home try this:
                            Shop gunsmithing tools (584) at Brownells, including bench blocks, hammer & punch sets, screwdrivers, and tool kits for firearm maintenance and repairs.


                            Read through the reviews, someone posted his home diy luger project with pictures.

                            Nothing will be as nice as hot bluing, but if it’s not a museum piece it doesn’t need to be perfect.

                            Comment

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