This anti-reflective device is made of aluminum and threads into the objective end of the VCOG sight for a secure fit. Unique honeycomb pattern filter disperses light to prevent reflections from front lens giving away your position without adversely affecting sight picture. The kill Flash and Objective Flip Cap is specifically designed to fit together and rotate easily to a preferred position. The caps flip open and “lockinto position out of the way.

Trijicon – Killflash Anti-Reflection Device Flip Cap
$67.84