The fancy name comes from the shape of holes that are cut in the surface - they look like small keys. It has been projected and produced at first by the VLTOR. KeyModĬurrently, it's probably the most popular mounting system on the market, especially on the civilian one. It's not that cheap to produce, it's heavy and bulky, and the sharp texture of the ladders can be unpleasant to the user. However, the RIS is not a flawless system.
You can almost get everything you want and it will be compatible with your rail system. It is also worth to mention, that currently, most aftermarket accessories have the RIS mount in the package.
The biggest pro of the rails is their common occurrence on the market and full compatibility - the RIS standard is a solid thing. The rail itself often have number markings, which makes the organizing of accessories a lot easier during the cleaning and storage of the gun. There are also QD (quick detachment) mounts that can be mounted and dismounted very quickly, with a pull of a single lever. Its construction is very simple - "the ladders" are cut in the material and the mounting screws go through them and the accessory, keeping it tight with the carbine. Rail Interface System/ Rail Accessory System is currently the most common mounting system for the gun accessories. What are the differences between them, which one is the best? After reading this article you'll judge it by yourself. This requires a mounting system and there are few of them available on the market, especially for the AR family. It creates a pressure to put something on your replica too. Without the red dot, flashlight or even the simpliest front grip gun looks strange, when comparing to the full-delta-operator-devsix carbines of other players. Nowadays hardly anyone can imagine his replica without any accessoriesor aiming devices.