TROY Industries BattleSight Micro, Front and Rear Sight, Di-Optic Aperture, Picatinny, Black Finish SSIG-MCM-SSBT-00 Troy BattleSights(TM) set the world standard for performance and durability. Now" Troy has developed a rugged low-profile sight designed for firearms with top rails higher than the standard M4. For shooters who favor a sightline that's as close to the barrel as possible" or for those with raised top rail systems" the Troy Micro BattleSight provides an ideal solution.