The CompM2 is a battery-powered, non-magnifying red dot type of reflex sight for firearms manufactured by Aimpoint AB. It was first introduced in the U.S. Armed Forces in 2000, designated as the M68 C
Colt M4 carbine with M68 Close Combat Optic and back-up sight.
A red dot sight is a common classification for a non-magnifying reflector sight that provides an illuminated red dot to the user as a point of aim. A standard design uses a red light-emitting diode at
Aimpoint CompM2
…The CompM2 is a battery-powered, non-magnifying red dot type of reflex sight for firearms manufactured by Aimpoint AB. It was first introduced in the U.S. Armed Forces in 2000, designated as the M68 Close…
View through Tasco ProPoint red dot sight (model PDP2ST) on a Ruger 10/22. Made in Japan for Tasco, the ProPoint 2 was one of the first red dot sight models to become widely popular.
Reflex sights have varying dot viewing angles; that is the maximum angle the operator's eye can be offset from the center-axis of the sight whilst the dot still remains visible.
Left: Aimpoint Acro C2 reflex sight lying on its side. Right: Acro rail on a Picatinny rail riser.
A U.S. Marine looking through an ITL MARS combination red dot and laser sight mounted on his M16A4 MWS rifle during the Second Battle of Fallujah, 2004