Not a bad buy...

[Rolling Thunder 67]

Thanks for the Pic. What you have there is a frame off a ZXS,another Spyder clone from NPS, if i remember correctly.

I have 2 of these also,1 board is like yours and the other has the jumper to let you go full auto.

This frame will definitely mount to the GT. Glad to see that your grips are not the crappy acrylic ones. They have a tendency to crack around the screw holes when people get a little torque happy with a screw driver, there also a bugger to replace as they are not a common shape or screw pattern. Bonus is this frame doesn't require a 9.6 V battery to run,healthy brand name will keep you in the game.

[Ironnerd]

You seem to be a Stacked Tube Guru.

[Rolling Thunder 67]

Spent some time trouble shoot STBB for a pawn shop so have gotten to know them pretty well.
and when they didn't flip quickly,they usually end end on my possession. Given they weren't held in high regard by most players or a entry level marker,usually only takes 1 or 2 games of being out gunned by someone that has a tricked out marker before they dump there Spyder. Ran into this back in the day with a VM -68, against the pump players,was called a holder,as it would shoot a whooping 9 bps. And it happens to be the heaviest STBB ever made..

Got 2 of those too!!
all I can say is run what you bringand have a good time.
STBB are the same as the acronym KISS.

[Ironnerd]

STBB's are actually nice little markers. More compact than the in-line blow-backs.
I remember the PMI-III/VM-68. It was a beast and a gas hog (some had TWO tanks), and it was glorious. I remember that some had an air line going from the bolt (I think it was the top tube) to the hopper to keep the balls agitated and feeding smoothly. And wasn't there a 2-way trigger? ... Double-Trouble trigger?

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It looks as though the grip frame is from a Zap ZXS-1000E.

[Rolling Thunder 67]

you are correct about the double trouble trigger for the PMI / VM. As for the air assisted hopper familiar with them,but never seen one on a VM. i believe they were an APP product and are still available if you wanted to go old school.

http://www.allenpaintball.com/retailframeset.html

[Ironnerd]

you are correct about the double trouble trigger for the PMI / VM. As for the air assisted hopper familiar with them,but never seen one on a VM. i believe they were an APP product and are still available if you wanted to go old school.

http://www.allenpaintball.com/retailframeset.html

Thank-you for the link. I had not thought about Allen in quite a while.
That "Turbo Loader" looks like a development of those old VM hoppers. I did play against a couple of VM guys near Grand Rapids, MI who had the pneumatic-agitation hoppers. I had my 1st Desert Fox and they were curious about it, so we traded markers at the range for a bit. It worked, and the VM was fun - I remember the bolt/hammer was so heavy it gave the marker pseudo-recoil. Took a few shots to get used to that.

I may try to get a turbo-loader for the Avalon (it seems appropriate to have an "electronic" semi with a pneumatically agitated hopper). I am guessing the installation is the same as on the Spyder.
I may have to grab a couple of the TAC-50's as well...

[Ironnerd]

Update.
I finally got my hands on these markers.

They work! (mostly)
The Stingray is missing the top frame pin. It is, basically, a Stingray. The pins were all stuck in place, but I eventually got them out to inspect the internals. Pretty good, although the bolt needs cleaning.

The Avon GT2000 worked fine, just had lose screws. I figure it was set pretty low since I got 60ish ball on a 12g... It's actually a pretty sweet STBB,

The Bushmaster is missing a screw, and has the wrong cup-seal. It "works" but the cup seal is for a larger dia power tube. I guess Mr. Bacci will be hearing from me. At one point, while I was troubleshooting, the main spring hammer and power tube all flew across the garage into the boxes where my Dad keeps old bolts and nuts and nails and stuff.
► VERY smooth pump stroke. Once I get it ironed out, it'll be a really nice marker.

They all needed lube (the Sting Ray didn't start cycling for about 5 shots, but once the lube dispersed it began cycling like a normal Stingray).

Pictures soon. Off to find more 12g's.

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Update.
The Bushmaster has stopped working.... The sear keeps slipping off the bolt.
I'll fix it, just not today.