The Trijicon Matte Riflescope Battery Cap AC20004 is a high-quality replacement cap designed to protect the battery compartment of your Trijicon riflescope. Made from durable materials, this cap ensures a secure fit and prevents moisture and debris from entering the battery compartment. The matte finish provides a sleek and unobtrusive appearance, making it an essential accessory for maintaining the reliability and performance of your riflescope.