Developed with the highest standard in mind, KAOS incorporates the latest technological breakthrough, while providing standard features that are found on $1000 markers. KAOS gives players the competitive edge on the field of battle. The feather striker system is 30% lighter than the traditional striker design. This breakthrough reduces the mechanical recoil and allows the KAOS to be the smoothest handling semi-auto marker on the market. Overall length and the profile of the receiver body have been re-engineered to be shorter and lower. This compact design makes the KAOS one of the lightest markers at 2.1 LBS. LOW RISE TWIST LOCK FEED NECK NON-SLIP RUBBER GRIP PANELS SELF LUBRICATE DELRIN BOLT DOUBLE BALL DETENTS 12� SINGLE PIECE BARREL TOP COCKING PULL PIN GAS-THRU FOREGRIP OPERATES ON CO2 OR HPA ALUMINUM GRIP FRAME WITH DOVETAIL AND DIRECT SCREW MOUNT Azodin Kaos 20oz CO2 tank with pin valve Mask with Visor Deluxe 6+1 Harness 6 - 140rd Heavy duty pods Premium 200rd Hopper Jerk Squeegee(color varies) 1oz