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Updated on December 31, 2013
caboose212
Participant
December 31, 2013 at 5:11 am
Q:

QB78 QUESTIONS

I have some questions about the QB78, I’ve been trying to find it on the web, but I’m not getting the answers I’m looking for…

-Are the Disco and the QB78 main tube’s the same size?
-If I had a HPA rated tube made, would I be able to fill the QB like a disco, but with lower PSI?
-has anyone heard of using a Discovery breech in a QB? If so, does anyone know how to do it?

I’m just throwing ideas out there, and trying to look for the answers online, but to no avail… if anyone has any info, please let me know. I’m also interested in a HiPAC kit, and had an idea for that too… Thanks in advance!

Other Guns

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caboose212
Participant
January 2, 2014 at 2:50 am

I re-read the post… I meant to say discovery valve. Ive been emailing him but he didn’t know about the valve, and he said the factory tube is fine as long as psi is kept low… I was just wondering because I’m getting a HiPAC for it. I like the look of the crosman HiPAC setup better than the QB one. Oh well, I just bought a pump, and the QB HiPAC… I can’t wait to shoot… :8:

fperez0209
Participant
January 2, 2014 at 2:22 am

Your best bet is to get in contact with Mike Melick over at FlyingDragonAirrifles :4:

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