When precision is the only option, your best option is the Trijicon RMR™ Sight. Built to provide optimum red-dot visibility against the target, you can acquire and hit your target quickly and more accurately.
The new Trijicon RMR™ (Ruggedized Miniature Reflex) has been introduced to match the legendary toughness of the Trijicon ACOG® (Advanced Combat Optical Gunsight).
It can be teamed up with the ACOG® or AccuPoint® for the ultimate in fast target acquisition or precise aiming at extended distances.
They start at $425.