KSC M11A1 (SYSTEM 7)

Extremely high rate of fire 300 fps from a 48 round magazine at 20 rounds per second High-Quality Plastic Receiver for Lightweight Backup Carry Most deadly CQB weapon is also a perfect secondary weapon Threaded barrel can attach a silencer or tracer unit (special threads require a 14mm adapter that allows you to use any silencer) Compatible Only with KSC M11A1 Gas Magazines This product is only compatible with gas designed specifically for Airsoft guns. Do not use lighter fluid or butane gas, as that will cause permanent damage.