hatsan bullboss pcp 4 5 mmTurkish company Hatsan has in recent years invested heavily in making PCP air rifles that do not have to be broken with each shot, but instead work via an air tank located under the barrel. This means that you can shoot about 100 shots before the tank needs to be refilled. The only thing that needs to be done is to pull the charging handle back to insert a new shot into the air rifle itself from the 10 shot magazine that is included! This Hatsan