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Old 01-07-2013, 08:55 PM   #10 (permalink)
Brassballs
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Join Date: Apr 2006

the valve nut is not going to affect/adjust the velocity.
it just holds the valve in and compresses the o-rings.

the easiest way to bring it up to speed will be to shim the spring and hope it's right or drill & tap or buy a BBA that you can adjust with a allen key.


also your HPA reg needs to be set for high output. 800ish
these old untuned sheridan's work best on CO2

Last edited by Brassballs; 01-07-2013 at 09:04 PM.
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