Vector Optics Universal AR15/M4 Triple Picatinny Rail - Barrel Mount

A high quality yet inexpensive attachment featuring three Picatinny Rails machined into this lightweight accessory constructed of aircraft quality aircraft grade aluminum and hardcoat anodized to military specifications. Allows mounting of your AR15 and M4 accessories such as optics, tactical lights, vertical grips, or lasers. Venting holes machined to reduce weight and assist in barrel cooling. • High Quality Aluminum Alloy in Durable Black Matte Finish. • Length: 65mm (2.6 Inches). • Bottom and Two Side 21mm Picatinny Rails.