KeyMod Rail Handguard for KRYTAC AEG Kriss Vector. - Medium Can be attached as is, and it is designed with a silencer (up to outer diameter 42mm) for that special look. Using aluminum alloy which is lightweight and high strength, it incorporates KeyMod for extensibility and functionality. *Set Included: -KeyMod Handguard x 1 -SUS Spacer x 4 -Hex Screw x 4 * *Size: S size (approx. 190mm) *Compatible model: KRISS USA Licensed Kriss Vector Airsoft AEG SMG Rifle. DOES NOT include suppressor (Silencer) or any other parts.