Practical Shooters, including Action Air Shooters, can check out the latest sight from Shield Sights dedicated for competition purposes, the RMSx Dedicated Competition Sight... "A sight aimed at the competitive shooter, the RMSx was specifically designed to answer a call from the competitive marketplace for a Shield Sight with a larger lens. The lens is 80% larger than our current Mini-Sight range and is an all new, top of its class, Hard Dip Coated Acrylic lens.