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CZ ZomBull Shadow SAO and SP-01 Racegun Function testing

Range Days, TriggerSnob - Gun Smithing March 22, 2021

Cursed by my own advise that was not taken. After hours of fitting the bull shadow slide to my recent SAO build I took it to the rifle range to test at the end of the day last week. It was my secret highlight of the day, casually downplayed as “Yeah I got a couple pistols to run after we get chrono data” and similar.

Only 2 weeks earlier, I had posted somewhere, something to the effect of ” duh, that’s why you plunk your rounds”, in response to some problem with a new gun/reloads. Well, I was a little shy of the reverse capture guide rod system as I had never used one. I procrastinated and didn’t plunk rounds and figured the normal 1.125″ COAL round I had worked up using RMR 125 HPs would be fine. they ran in eveything else. Well, I got one shot and JAM and problems. I bagged it, went home, removed squib, checked COAL for this new barrel (it is tight). Worked up my loads and took some previously long ammo and seated it deeper until MAX COAL was determined for this bullet/chamber. Then I added ~0.015″ and got my new safe COAL. ITs about 1/8″ shorter than the previous round I was kind of amazed. They Shot great. After getting used to the gun on paper plate, I started doing double taps with that sweet SAO trigger at some clay pieces on the berm at 50yds.

I think my next on this bun will be reducing the load to make minor with the longer barrel, and then springing it lighter. It seemed like the stronger spring made the nose dip more that it should for follow ups. Something I’ve never played a lot with or timed just right, but I’m starting to get it.

This ZomBull Shadow SAO also fits in my shoulder holster – had to check!

As far as the 01 Racegun goes the big dot is just awesome! shot at pieces of clays on the berm, no problem. Did have a couple of minor issues with ammo feeding, but these were not plunked rounds so that should be resolved. I found this old 3D printed gripwell and put it on. the palmwells on it feel so nice!

Next up for this gun is a brass/alu magwell, remove front sight and put on old 75B slide, 8/12MOA diode, and slide racker. And tooling to work the comp up right with set screws and get back to major.

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