The Spyder Xtra was redesigned to fit the needs of the serious recreational player. With many standout features, Spyder Xtra Paintball Marker proves to be a great entry level marker because of the air-efficient Eko valve system, all aluminum construction, and redesigned milling for easy cleanup. The ergonomically-designed aluminum trigger frame and tool-free striker plug design allow for durability and easy maintenance. The tool-free design of this innovative Spyder Xtra Paintball Marker means easy maintenance with no tools needed   Marker Features:  Air efficient Eko valve system  Spring Loaded Ball Detent  Shoots up to 1,600 shots from a 20-oz CO2 tank  Aluminum clamping feed neck  Ergonomically designed, aluminum trigger frame  Standard CA thread vertical adapter with Expansion Chamber  Anodized matte finish Pull pin top cocking delrin bolt Tool-free striker plug design 10" micro ported barrel 2-finger trigger  External velocity adjuster  Steel braided hose line Inline bottom-line ASA  Operates on CO2 or compressed air