The Sportsman 900 Air Rifle from Barra Airguns is chambered in .177 (4.5mm) and ready for standard steel BBs or your choice of pellets. The 20 inch barrel and adjustable fiber optic sights give you incredible accuracy, and with the included 4x15 scope, the Barra Sportsman 900 Air Rifle is ready for long distance shooting. Powered by a multi-pump lever action, the Sportsman 900 has plenty of power and fires up to 800fps.