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Tom West's Custom PC77 PumpMaster Classic Short Rifle

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I have searched awhile this am and could not find the answer,

July 31 2012 at 10:33 AM
VAF  (Login VAFarmer)
Crosman Forum Member
from IP address

but it seems like the info should be here.

Any body have the following O-ring sizes from your notes?

2400KT-.22 caliber bolt O-ring
2400KT-Valve outer o-ring
2400KT-valve inner 0-ring


Benjamin HB .22 caliber bolt O-ring
Benjamin HB Valve inner o-ring
Benjamin HB Valve outer o-ring


2400 KT Valve retaining screw, the goes inside the trigger--want to upgrade in shear strength, maybe to a grade 8 or so.

Thanks and God bless,


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