The 98 Custom is the entry level, fully customizable marker. The main feature is the ease of customizing the marker. The 98 Custom combines all the great features of the Model 98 with the ability to accept The Flatline Barrel System, The Response Trigger System, the E-Bolt Electric System and the Comp-Air Low Pressure System. All of these Tippmann systems can be installed with same tools that you use to disassemble the marker. We are sure the 98 Custom is the most customizable marker you can buy. =Includes factory installed cyclone feed= =Features:= *Caliber- .68 *Action- semi automatic (open bolt blow-back) *Power- CO2 or N2 *Magazine Capacity- 150+ *500+ shots per fill *Cycle Rate- 11RPS *Standard Barrel Length- 8.5" *Length, overall with standard barrel and no tank- 19.625" *Weight without tank- 2.9 lbs *Effective Range- 150+ ft. =Cyclone Feed Features= *feeds 17 BPS using excess gas *No Batteries required, Ever!