The SHIELD AMSc (Advanced Mini Sight compact) is an enclosed emitter red dot sight designed specifically for narrow frame and single stack EDC pistols. Featuring an 8 MOA dot reticle and meeting rigorous international DEFSTAN standards this optic delivers reliable performance in a compact package.SHIELD AMSc Advanced Mini Sight compact8 MOA dot reticle for fast target acquisitionEnclosed emitter design for enhanced durabilityAerospace grade billet aluminum body constructionCrystal clear glass window with automatic brightness adjustmentNitrogen sealed housing submersible to 30 feet for 30 minutesCo-witness capability with iron sightsIconic SHIELD footprint for backwards and forwards compatibilityPerfect for concealed carry and everyday carry applications the AMSc offers the reliability and features of SHIELD's proven SIS and RMSw product lines in a compact form factor ideal for defensive pistols.