The Trek Vertical series brings you the clear picture you've been looking for with a compact vertical pin design, creating more space in your sight picture. The Trek 2V sight features a single pin with two fiber optic aiming points at a fixed gap for ultimate visibility and functionality. The machined aluminum scope housings of the TREK Vertical Series accept the CBE Peep alignment rings and include 4 different colors to choose from. Rheostat sight lights are included, as well as the ability to be modified to the CBE Picatinny or CBE Bridge Lock adapters.