Originally Posted by
Jimny4x4
Am guessing that if you used heavy pellets the pressure build-up would be greater so the piston would be slower and the recoil or impact of metal on metal less ?
Using a Hobby at less than 8gr would rattle your teeth but a Bis Magnum
Heaviest .177 pellets I have are JSB Exact Monster 13.43 grn, think they will fly in quite an arc from the Gem.
Baz
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