Air Arms S500 Xtra FAC sidelever air rifle Precharged pneumatic Sidelever cocking Single-shot 2-stage adjustable trigger Adjustable power 11mm scope grooves (no open sights) 2900 psi fill pressure (200 bar) 231cc tank Built-in manometer (air pressure gauge) Lothar Walther barrel Shrouded barrel for extra-quiet shooting Ambidextrous Monte Carlo poplar stock Dual raised cheekpieces Checkered pistol grip and forearm Superbly blued Magnificent stock finish Ventilated rubber buttpad