Air Arms S500 XS FAC sidelever air rifle Regulated Precharged pneumatic Sidelever cocking Single-shot 2-stage adjustable trigger 5 position power adjustment wheel 11mm scope grooves (no open sights) 3,625 psi fill pressure (250 bar) 186cc tank Built-in manometer (air pressure gauge) Lothar Walther barrel Shrouded barrel for extra-quiet shooting Right Handed Walnut Stock Dual raised cheekpieces Checkered pistol grip and forearm Ventilated rubber buttpad Includes 2 hex wrenches & fill adapter