Rail end Bullet Tip. The rail end bullet tip is designed to give your rails a finished look and also works as a stop not allowing any of the rail mounting accessories to slide off the end of the rail when not locked in place. This is part MMP-1021-BT and they are sold in pairs if you want a bullet tip for each end of the rail one pair will do one rail both ends. These parts are machined from Starboard they are 1.25" long x 1" wide x .500" thick they are the same width and thickness of the rail.