Bob Long’s Defiant Rebuild Thread

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  • Cdn_Cuda
    You can finish projects?!
    • Jul 2020
    • 4565
    • Vancouver, BC

    #1

    Bob Long’s Defiant Rebuild Thread

    This has been sitting in my bench for longer than anticipated, but it’s time to see if this old beast and be revived. So we’re got a Bob Long’s Defiant, circa 1999, in Lava anno.

    IMG_3138.jpg
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  • Cdn_Cuda
    You can finish projects?!
    • Jul 2020
    • 4565
    • Vancouver, BC

    #2
    First the easy stuff! The rear tube easily disassembles by hand, just pull the bolt pin and the assembly slides out.

    IMG_3139.jpg IMG_3140.jpg
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    • Cdn_Cuda
      You can finish projects?!
      • Jul 2020
      • 4565
      • Vancouver, BC

      #3
      Next is removing the frame. At first I was worried it may have a broke frame screw, but the front grip frame screw is actually top mounted in the tray.

      IMG_3156.jpg IMG_3155.jpg

      To remove the trigger frame from the body you need to remove both the tray and the trigger frame by removed the 4 long bolts two of which are located at the rear of the marker and two just behind the front grip.

      IMG_3141.jpg IMG_3154.jpg



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      • Cdn_Cuda
        You can finish projects?!
        • Jul 2020
        • 4565
        • Vancouver, BC

        #4
        While separating the tray and trigger frame from the body you can access the battery. It’s alway interesting to see just how old of a battery is in these old markers. Gives you an idea of the last time it was use.

        IMG_3143.jpg
        And here we have a 7-11 special, so someone needed to grab a battery on the way to the field before being able to play.

        IMG_3144.jpg

        And here’s a view of the battery tray:
        IMG_3145.jpg

        And the board, located in the grip frame. Note the ICD board dated 1999.
        IMG_3146.jpg


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        • Jimmydee
          Jimmydee commented
          Editing a comment
          Why does that battery just give me nostalgia chills? I didn’t even buy 711 batteries
      • Cdn_Cuda
        You can finish projects?!
        • Jul 2020
        • 4565
        • Vancouver, BC

        #5
        Next is to remove the solenoid, so I don’t accidentally break a wire.

        IMG_3151.jpg IMG_3153.jpg IMG_3150.jpg

        As you can see, it’s an ICD solenoid. Be careful with the solenoid gasket! Mine appears to be in good condition, but don’t want to break it and need to find a replacement.

        IMG_3157.jpg
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        • Myrkul
          Myrkul commented
          Editing a comment
          There is like a 95% chance that gasket is still good to go. Looks like it's in great shape.

        • lhamilton1807
          lhamilton1807 commented
          Editing a comment
          At this point I was thinking it looked a lot like a B2K. And yep, icd parts all over. Is this just a private label B2K? Or is it the other way around?

        • Myrkul
          Myrkul commented
          Editing a comment
          It's actually neither.

          The Bob Long Defiant and ICD B2K was a joint venture between Jerry Dobbins and Bob Long. They are almost completely identical, with a few big differences:

          1: Defiants use Autococker Threaded Barrels, Pre 2003.5 Bushmasters use ICD threads.

          2: The Bob Long Defiant Grip Frame has finger grooves, the Bushmaster Grip Frame is Smooth.

          3: The milling is different on the defiant body, and there is a smaller recess for the Jewel. The sight rail on a defiant is also taller so it needs a longer bolt pin to accommodate it.

          Other then that, the guns are identical. If you look closely at the serial numbers on the Defiants, they are actually stamped:

          ICD

          BLD ####

          So I'm assuming ICD milled the blanks prior to sending them off to Bob long. It's also worth noting that all the Defiant Solenoids and circuit board also have ICD stickers on them.
          Last edited by Myrkul; 05-23-2025, 08:15 PM.
      • Cdn_Cuda
        You can finish projects?!
        • Jul 2020
        • 4565
        • Vancouver, BC

        #6
        And that’s it for tonight! Next steps involve a blow dryer, some minor offensive language and a strap wrench.
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        • fat-50-
          Bunker Buster
          • Oct 2020
          • 217

          #7
          Love the anno on this! Thanks for posting looking forward to the rest

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          • TwonTamal
            Bunker Buster
            • Apr 2024
            • 108
            • Northern Virginia

            #8
            Awesome, I have always enjoyed the Lava ano of that era! Hope you get her rippin' again!

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            • ford
              Set to default
              • Jul 2020
              • 374

              #9
              Great thread, nice work!

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              • Myrkul
                2026 ICD Sponsored Team
                • Jul 2020
                • 927
                • Jaegers

                #10
                Beautiful marker!

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                • THE_Incredible_Hulk
                  MCB Member
                  • Jul 2020
                  • 247

                  #11
                  Nice, Nice, Very Nice!!!!!
                  Come to the Dark Side...We have Cookies!!!

                  https://www.mcarterbrown.com/forum/b...ulk-s-feedback

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                  • Cdn_Cuda
                    You can finish projects?!
                    • Jul 2020
                    • 4565
                    • Vancouver, BC

                    #12
                    Alright, got more done last night, so let’s continue!

                    Going back to the LPR, which is Required some love to remove.
                    IMG_3161.jpg IMG_3162.jpg


                    So with that removed, all the little fun bits fall
                    out:
                    IMG_3163.jpg
                    And removing the front cap on the LPR:

                    IMG_3186.jpg

                    And the LPR internals:

                    IMG_3187.jpg

                    Need to remove a little more, but it’s not wanting to budget yet…

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                    • Cdn_Cuda
                      You can finish projects?!
                      • Jul 2020
                      • 4565
                      • Vancouver, BC

                      #13
                      Now to the HPR. I was surprise how easily it actually disassembled except for one piece.

                      IMG_3164.jpg
                      IMG_3165.jpg


                      Turns out three main body of the HPR comes off nicely and the bottom of the HPR, the hollow section, just screws right off.

                      IMG_3167.jpg

                      Couple little pieces to keep track of when the main body section.

                      IMG_3166.jpg

                      Now getting the HPR adaptor off the body was a pain. No wrench flats.

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                      • Cdn_Cuda
                        You can finish projects?!
                        • Jul 2020
                        • 4565
                        • Vancouver, BC

                        #14
                        Now to disassemble the HPR. A slotted screwdriver remove the bottom piece:

                        IMG_3160.jpg

                        Pretty sure the spring isn’t supposed to be sitting like that. Good thing I didn’t try to air this up right away.

                        IMG_3168.jpg

                        And man is it ever dirty in there! But considering this marker is 25 years old… not too bad.
                        IMG_3169.jpg

                        And here is the full assembly laid out:

                        IMG_3170.jpg

                        And what the reg seal looks like in the reg housing;

                        IMG_3171.jpg

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                        • Cdn_Cuda
                          You can finish projects?!
                          • Jul 2020
                          • 4565
                          • Vancouver, BC

                          #15
                          And now to deal with the regulator adaptor. To start I hit this with a blow dryer for a bit to loosen the loctite that ended up being on it. Couldn’t find my usual one, so don’t tell me wife I used the good one….

                          IMG_3178.jpg

                          So this price threads into the body, and up into the rear lower tube of the body and blocks the value… so it has to come out.

                          IMG_3174.jpg

                          After a bit of persuasion the adaptor started to move and o removed it entirely from the body:

                          IMG_3180.jpg IMG_3179.jpg
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