The Crosman® 2100 classic is a full-Sized traditional style air rifle for the novice to the expert shooter features an all-Weather synthetic stock and forearm rifled steel barrel bolt-Action pellet loader spring-Loaded bb magazine built-In 850 bb reservoir fiber optic sight front sight adjustable rear sight and cross-Bolt safety. With easy-to-Use variable pump features you can control your power from 400 fps to 800 fps for everything from plinking to pest control. one of the most versatile air guns on the market the Crosman 2100 classic multi-Pump pneumatic shoots either steel bibs or 177Cal pellets. With 200 bb rounds in the gun s reservoir you ll be shooting for hours without having to reload. Just pump and shoot! if you prefer to shoot pellets the 2100 can do that too (Loaded one at a time). Don t forget to use eye protection!