This is an amazing value, the P.1158CA is an exciting replica of a rifle with realistic feel and look! Air soft guns are perfect for any gun enthusiast, entry-level to advanced. Spring-cocking guns are true to their name in that you cock the spring first, and then fire. These guns are designed to fire 6mm plastic BBs. No gas, batteries, or anything needed for these guns. This system is very cost-effective, and the guns hold up very well. Each gun includes a starter pack of approximately 35 6mm BB Pellets.