This set is nearly new.  It has been used only one time.  Everything included is:

• 1 BT 4 Combat High Performance Paintball Marker (in original box)
• Removeable BT 4 Barrel
• Barrel Blocking Device
• Oil for Gun
• Manual
• GXG Stealth Mask with Visor & Anti Fog Lens (has a couple scratches)
• 6+1 Deluxe GXG Horizontal Harness (camo) 
• 6 - 140 Round Heavy Duty GXG Tubes (clear)
• PMI/Spyder 20 oz Tank with pin valve
• 21" GXG padded gun case (black)
• Heavy Duty Coiled Remote with Quick Disconnect
• 21" Jerk Squeegee (blue)
• 200-300 Round Ammo Hopper
• Coolmax Neck Protector
• About 1500 Brass Eagle Monster Balls Paintballs
• 2 full bags and all tubes have paintballs in them

Features:

• Slide-Away Feedport for Easy Cleaning and Maintenance
• Double-Sided Ball Detent
• Custom Ported Barrel
• Durable, Rustproof Metal Receiver
• Stainless Steel Bottom-Line
• Impact Resistant Baked-On Coating
• Precision Machined Air Source Adapter
• Selecta-Barrel Adapter Allows Use of Multiple Barrel Threads
• Modular Trigger System
• Removable Grip Panels
• Dual Picatinny Sight Rails MeetMilitary Standard 1913
• Tournament Legal External Velocity Adjuster
• Valve Locking Pin
• Removable Grip Frame for Quick and Easy Upgrades
• Works with CO2 or Compressed Air (HP output)
• Meets or Exceeds allApplicable ASTM Standards

Specifications:

• Model.........................................BT-4
• Caliber.......................................... .68
• Action.........................Semi-Automatic
• Powered..........CO2 or Compressed Air
• Cycle Rate...............................13 BPS