A segment of a Picatinny rail, the Picatinny rail having front and rear ends, left and right sides, and upper and lower sides, the segment of the Picatinny rail having a left V ridge having a front end and a rear end; having a right V ridge having a front end and a rear end; having a front V ridge spanning between the front ends of the left and right V ridges; and having a rear V ridge spanning between the rear ends of the left and right V ridges.