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.FeaturesLOW 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