Mini Shot A-Spec M3 Micro Reflex SightDescription Designed by Sightmark, this streamlined and robust reflex sight is a handy and reliable companion attached to pistols and compact submachine guns. Made from T6061 T6 aluminum with a matte finish, this pint sized red dot weighs 46g with dimensions of 40x33x30mm, placing it in the micro sized class of optics. An IP55 rating makes it water and shock resistant. Standard Shield RMS C footprint is paired with an additional reliable and solid low