Vortex Optics Defender-ST Micro Red Dot (Red Circle-Dot Reticle)
The Vortex Optics Defender-ST is a compact open reflex (open-emitter) red dot sight featuring a red circle-dot reticle. Side-mounted +/- controls provide quick brightness adjustment.
Marked "DEFENDER-ST" on the body, this optic features an open reflex-style window/hood design.