TheS9T's clear, plastic handle slidesup, and down the U-shaped aluminum frame. The frame locks the handle parts together without the use of rivets or glue. When pushed up, the chamber releases SA30 ammo from the handle's bottom. When pushed down, the chamber becomes "self-sealing" and traps the ammunition. The fast, Tapered Powerbandsare designed to release maximum energy withminimum hand strain while aiming. They are 15% to 35% more efficient than conventional, non-tapered bands. The S9T is excellent when faster ammo velocity and accuracy are necessary to increase Bull's-Eye scores. 225 YD. Range. The S9T sling shot stores SA30 5/16"steel-balls in the handle. The ammo is not included, and must be purchased separately. The S9T slingshot comes with matched-pull latex RR-T Powerbands with a soft split-leather pouch.