Trijicon

This anti-reflective device is made of aluminum and threads into the objective end of the SRS sight for a secure fit. The killFlash and Objective flip cap is specifically designed to fit together and rotate easily to a preferred position. The caps flip open and lock into position out of the way. - The set will add 1.22 oz. and adds 0.32 in. to the height 0.626 in. to the length and 0.066 in. to the width.This anti-reflective device is made of aluminum and threads