The magpul ssg selector set are drop-in, dual sided selectors for the fn scar family of weapons.The ssg are compatible with military-issue select fire mk16 & mk17 weapons, as well as the civilian semi-automatic scar 16s & 17s rifles.The ssg are direct replacements for the oem selectors and require no permanent modification to the weapon system.Simple install utilizing existing set screw (not supplied).Made in the usa.Finish: BlackModel: SSGMaterial: PolymerHand: Ambidextrous