Megalodon

What size of Mr. Hollowpoint Ammo is best? 

This is the range of ammo that will fit in the magazine

How to install the AEA Megalodon Custom Rear Stock and Front Fill Kit

1. Degas it, by slightly turning the air gauge until you hear air coming out. Once you hear the air, let it finish degassing.
2. Remove the cap at the end of the front tank and put the new fill port/air gauge assembly in is place.
3. Remove the back tank and then screw the buttstock in place.
4. Now you fill it from the front.