Sightmark SM19010 42MM Triple Duty Riflescope Sunshade makes great addition to your Sightmark Triple Duty Riflescope. Sightmark Sunshades are designed to fit Sightmark Triple Duty Riflescopes by selecting the objective lens size. For example, the 42mm Sunshade will work with your Sightmark Triple Duty 3-9x42 Riflescope and the 56mm Sunshade will work with your Sightmark Triple Duty 10-40x56 Riflescope.
All Sightmark Riflescope Sunshades products are protected by a limited lifetime warranty. Sightmark Riflescope Sunshades Eliminates glare in bright Light conditions. They Help Keeps dust and rain off of objective lens for a clean clear shot. limited lifetime warranty.