This aluminum Picatinny rail segment attaches to the M-LOCK compatible rail, allowing you to use a wide range of accessories and optics, wherever you want to place them. The rail segment is locked into place with the two screws that are included. Requires 2 M-LOCK attachment slots to fit in to a rail The distance between the middle points of the two screws: approx. 40 mm Overall length: aprox. 57 mm Weight: 20 g
