Key Features of the Air Arms S510 XS Xtra FAC Regulated, Poplar Stock: .25 Cal Air Arms S510 XS Xtra FAC, Regulated, sidelever air rifle Precharged pneumatic Sidelever cocking Fully Regulated 10-shot repeater 2-stage adjustable trigger 5 position adjustable power 11mm scope grooves (no open sights) 3,625 psi fill pressure (250 bar) Built-in manometer (air pressure gauge) 288cc air tank 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 (IMPORTANT - ALL SALES ARE FINAL. If you have questions about availability or any other pre-sales questions, just contact us via our contact us page and we'll be happy to help you!)