HW 40 PCA Air Pistol. Precision air pistol in modern design · German craftmanship · recoilless action at an entry level price point · single stroke pneumatic · quiet and smooth · very good balance · precision two stage trigger · fiber-optic sights · micrometer sight adjustable for windage and elevation · dovetail rail for scope mounting · automatically operated safety lever · pistol grip fits for right- and left-handed shooters · consistent velocity = 122 m/s, ready for 10 m target shooting.