PERFORMANCE FEATURES - Air Efficient Eko䋢 Valve System (Patent Pending) shoots up to 1,600 shots from a 20oz CO2 Tank - All Aluminum Extruded Body - Ergonomically Designed High Impact Polymer Trigger Frame - Reduced Overall Profile (15% Lighter and 10% Shorter) - Pull Pin Top Cocking Delrin Bolt - Anodized Matte Finish - Standard CA Thread Vertical Adapter - Tool-Free Striker Plug Design - 10äó Micro Ported Barrel - No-Slip Rubber Grip Panel - Two Finger Trigger - External Velocity Adjuster - Steel Braided Hose Line - Inline Bottom-line ASA - Operates on CO2 or Compressed Air Package Includes: Marker, Barrel Sock Blocking Device, Spare Parts Kit, Service Tools, Product Manual