The Trek Vertical Series creates more space for you to aim with less distractions in your sight picture. The Trek 3V Pro sight features three vertical pins, including a fixed position middle pin and micro adjustable first and third pins. The machined aluminum accepts 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. Including the signature CBE Hybrid Drive system with hard stop, 1st, 2nd, and 3rd axis adjustments, micro windage, laser engraved sight scales, and the option for vertical multi-pins.