APS handguard Evo Tech Keymod 12.5''

Keymod is the name given to a universal interface system for firearm accessory components in an effort to establish a system superior to the MIL-STD-1913 accessory rails currently in use. Keymod system is an open-source designed by Eric Kincel. This system consists of two parts, the KeyMod slot, and the KeyMod nut. This system is intended to be used as a direct attachment method for gun accessories such as flash light mounts, laser modules, sights, scope mounts, vertical grips, rail panels, hand stops, barricade supports, and many others, which also be used in Airsoft Games.