Trijicon tenebraex killflash anti-reflection device for trijicon rx30 reflex - Trijicon RMR Tenebraex KillFLASH Anti-Reflection Device for Trijicon RMR RX30 Reflex

Though pricey, this is a must for the RX30 line. It not only is a fantastic ARD but it also protects the RX30's glass.
Pros: Very well made, easy to use, rugged.
Cons: Pricey but you get what you pay for.

This review was written in the old system and had content requirements that are different than reviews written today.