Norica Dragon GRS Evolution 0.177 Cal Air Rifle Velocity - up to 1000 FPS (305M/S) in 177 cal. (4.5mm), ambidextrous Anti-shock synthetic Stock w/checkering on the grip and fore grip Ventilated rubber butt pad, fine adjustment rear sight with fiber optic Metal Hooded front sight with fiber optic, 11mm dovetail mount with scope Stop