*The rails are designed so that you can attach your accessories like Lasers and Flashlight at any of the 5 angles that the rails provide.
*You can mount the accessories not only at the typical 3, 6, and 9 O?clock positions; also in the 4:30 and 7:30 O?clock positions.
*When mounted onto you Shotgun Extended Magazine tube, this will allow you to attach multiple weaver & Picatinny style accessories to your shotgun.
*This can also be used on any 1? diameter accessories like 1? scope tube bodies, flashlights, and lasers.
*Mounts onto most 12 gauge shotgun mag tubes with the two provided Allen head bolts.