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Jim Gillilan's Custom 1322 Carbine

Jim Gillilan's Custom 1322 Carbine w/Custom Stock

Here's one I'm especially proud of and is modded all over, doing 12fpe at 15 pumps.
Stock is Teak from Thailand and super light weight 1322 Carbine!

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Just retain the valve and you're good to go....

February 17 2011 at 5:36 PM
robert  (Login gubb33ps)
Crosman Forum Member
from IP address 68.105.50.68


Response to i think you're right about that

.... because the HiPac unit contains the pressure, the force pushing the valve rearward would be based on the area INSIDE the valve, not the outside diameter of the valve.

If you ignore the instructions and over tighten the unit into the tube, can exert screw snapping pressure much greater than any reasonable air pressure could manage. With the seals given in the conversion, firm hand pressure has sealed 2.8K just fine (although that was just an experiment... my two are set to run right at 140bar.

IF they don't seal by hand pressure, much better to investigate why rather than reaching for a wrench.

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