Originally Posted by
airgunnut
.22 in sub 6 foot pound pistols is not a brilliant idea, .22 is too big and heavy for low power (hw 25's are usually around 4.5 foot pounds not 5.5) a relatively heavy .22 will not be going fast enough to spin to get the gyroscopic efect of the rifling.
Get a .177 hw 45 then try to borrow a .22 barrel and try both.