You would have to have access to the Nitrogen gas before you stripped the scope down , under the saddle that's the middle part of the scope you should find a filler valve that's the entery point for the refill , hope this helps .
Bhai mery pas Gamo 3-9×40EG Scope hai us k under sy ik lence nikal aya hai tota nhe hai but hil gya hai ab ye scope kesy kholon ta k fit kr sako us lense ko ...
