While using a Hatsan Hand pump may be the simplest method to fill your Hatsan PCP airgun, it can take a lot of work, especially if you are a volume shooter. There are other ways to more quickly charge your Hatsan Air Cylinder and one of the easiest is by using a SCUBA tank and the Hatsan Fill Kit. But, knowing what you need to make sure it works correctly can be a challenge. In this video we discuss different types of tank valves and how to make them work with the Hatsan SCUBA Fill Kit. Once you have the basics down, it is smooth sailing from there.