Heaviest .177 pellets I have are JSB Exact Monster 13.43 grn, think they will fly in quite an arc from the Gem.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
Baz
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