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-   -   pgp pierce pin (http://www.mcarterbrown.com/forums/sheridan/76964-pgp-pierce-pin.html)

Stripes 05-05-2009 11:46 PM

pgp pierce pin
 
i'm having some problems with the pierce pin in my pgp
using crosman 12ies (they're available) i can't get it to puncture certain cartridges under about 250FPS

is there any way to adjust it so it will work?
every time I change the 12g, i have to turn the velocity way up, then re-chrono

Frink 05-06-2009 12:24 AM

This thread should help you out: http://www.mcarterbrown.com/forums/s...rce-valve.html

Stripes 05-06-2009 04:57 PM

already read it... didn't help at all
even with some 12's, i'll keep trying to get it to pierce by pumping it a bunch of times, but it's just not hitting hard enough

do i need a new pierce pin, or what?


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