Action Army AAP-01 ASSASSIN GBB Pistol [Canadian Version] (Black / Tan)Canadian version, no orange tip! The Action Army AAP 01 "Assassin Pistol" is a cool designed pistol that is very similar to the Ruger MK4. The pistol is green gas powered and features a fair amount felt recoil as well as snappy cycling. The AAP 01 also comes with a threaded outer barrel for the mounting of suppressors. The AAP 01 is a polymer frame pistol and it feels very comfortable to hold, its sights line up nicely which make pointing and shooting