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Hello Spydarm, my old friend...


I've come to rebuild you again.

So I robbed Peter to pay Paul and I have an amazing Spump build to show for it. I kept the body of the Spydarm since it was a reminder of my tinkering past. Now it's time to apply my new skills to an old marker.

Going through my old gear bins, I have scavenged these parts for the build:

  • Original Spydarm body
  • Modern pullpin RVA 
    • Need to modify or source an older generation
  • Stock main spring
  • Stock bolt
  • Slim striker
I also just purchased an old skool single trigger frame from another user on MCB.

Things to replace/fabricate:
  • Striker buffer
  • Main spring guide
  • Metal spring guide plate
  • Pull pin
  • Valve pin
  • Cupseal
  • Valve spring
  • Valve
  • Ball detent
  • Detent plate
    • Bore out and retap for horizontal 12 gram bucket changer
    • Cap the bottom in a less janky way
  • Modify the feed tube with a true follower and spring guide


Got the grip for the frame!

Shout-out to Mike@NDS on MCB for picking up on the grip for the previously shipped frame! He gave me a few options from an A2 to the original Euro and also a Ramline. From what I could tell, the Ramline and A2 were too m16-y (my Closed Bolt Spyder had an m16 grip waaaaay back in the day so I wasn't keen on it indexing like a rifle rather than a pistol.) I chose to go with the grip this frame came with, originally, the Euro style. It seemed to be the most pistol-like.

In the hands, it feels quite good! It indexes well even in these early stages. While looking at the bottom of the grip, it seems that I will need make a plate for the retaining screw. While not needed, as a regular bolt and washer will do just fine, designing up a recessed cap and washer retainer would really help tie the project together.

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