A KeyMod rail system is a modular rail interface system designed to permit for the attachment of equipment to firearms. It consists of a sequence of slots machined into the perimeters of the rail, which can be utilized to mount quite a lot of equipment corresponding to foregrips, lights, lasers, and slings.
KeyMod is a comparatively new rail system, having been launched in 2012. Nevertheless, it has rapidly turn out to be common as a consequence of its versatility and ease of use. KeyMod can also be very light-weight, which makes it a good selection for firearms which can be supposed to be carried for lengthy durations of time.