Anyone ever taken one of these (the 576 is the "slug grenade" with the foam cap) apart?
It is leaking around the fill nozzle, which I think is slightly unscrewed. However on the 576, the fill nozzle is recessed into to the top of the aluminum piece and is NOT slotted for a screw driver. The aluminum is threaded, though....
Part 9, here, is the fill nozzle:
http://www.madbullairsoft.com/English/i ... &chapter=0