No surprise here is gel blasters operate on the same principle as airsoft guns. X-Force Tactical finally got a gel blaser version of the airsoft pistol that has taken the airsoft world by storm, the Action Army AAP-01 Assassin... "The AAP-01 by Action Army is one of the most popular airsoft pistols in the world at the moment and it has finally hit the gel ball market with heaps of upgrades, these are the must have pistols of the year. "