How far out could a .177 caliber ( 4.5 mm ) and .22 caliber ( 5.5 mm ) kill a rabbit or squirrel with average weight pellets and Gamo PBA pellets ?

Average weight for a .177 caliber pellet is around 7.9 grains or so. 4.5 grains or 5 grains for PBA ammo.

Average weight for a .22 caliber pellet is around 14.3 grains or so. 7 grains or so for PBA ammo.


Bone Collector Bull Whisper .177 : 1300 fps
Bone Collector Bull Whisper .22 : 975 fps