The M21 provides instant, all-light aiming capability, without batteries. which is battle proven, simple to use accurately and totally reliable. It offers a large 30mm diameter lens which allows rapid target acquisition with both eyes open. This was the first reflex sight in the world designed for close quarter combat.

The M21 reflex sight offers users the ability to acquire targets accurately at any range, in any situation, with both eyes open. It is also designed to work in tandem with a magnifying scope mounted behind it for ultimate accuracy.

AIM M21 Self-illuminated Reflex Sight
Operates under all weather and temperature conditions
Large 30mm diameter lens assures large FOV
Rapid target acquisition means quicker shooting in urban areas
Quicker shooting in urban areas and rapid target acquisition
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Included: lens cloth, killflash and allen key