The do-it-all micro red dot. Whether running drills at the range or holding the line during rigorous duty use, the Defender-ST is ready when and wherever you are. Rugged and reliable? it's a given. Large sight window? absolutely. Motion-activation and a dot with adjustable brightness deliver superior target acquisition, adaptability in all lighting conditions, and faster follow-up shots. experience what shooters mean when they discuss the ideal, all-round red dot. | Vortex Defender ST Micro Red Dot 3 MOA