Tippmann A-5 Marker with E-Grip & Selector Switch Semi-automatic, .68 caliber receiver with open bolt blow back design for smooth consistent firing. Patented Cyclone Feed System for faster feeding & firing. The new Selector Switch features a magnetically activated hall-effect trigger that lasts 7 times longer than physical switches. The three position external selector switch allows you to change firing modes on the fly. It features Electronics settings with 5 modes (Semi-Auto, Auto-Response, Full Auto, 3 Shot Bursts, Turbo) for rapid variable firing This item is not for sale in some specific zip codes