be carefull with Ox spring it could take your gun over the Uk limit
be carefull with Ox spring it could take your gun over the Uk limit
it could knock the chosshair out of you scope i had this happen some time back so i just a standard spring for my gun.i found it only took the power over by around 1/2ftlb not even worth risking your scope for.think long & hard first m8