super powered pellet gun

Building or modifying BB, Airsoft, and Pellet type of guns. Show off your custom designs, find tips and other discussion. Target practice only!
gabeb123
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Sun Feb 21, 2010 1:22 am

i have a cheap grizzley pellet gun(one pump) i was thinking that if i replace the piston casing with a copper one of the same diamiter and put a check valve on it then i was thinking i could get more power out of it what do you all think?


allso how could i make it so i could pump it more then one time?
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jackssmirkingrevenge
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Sun Feb 21, 2010 1:33 am

It probably has a hammer valve, in which case pumping it up to higher pressure means the valve will encounter more resistance to opening and will actually decrease power.

You should look into increasing barrel length and fitting a stronger hammer spring.
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