The MARS, is a flat rail that attaches to the M4 hand guard. To install you must take off the existing hand guard and put rail on using the supplied special screw/ nut combination supplied then re-attaching the hand guard.
Once the rail is in place, and hand guard secured back on weapon you can then attach a wide variety of accessories such as Scopes, Flash lights, and Red or Green Lasers to the weapon to enhance your shooting environment.
- Weight: 2.47 oz.
- Includes mounting hardware