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    The MEPRO M21 is a maintenance-free, dual illuminated, “red dot” reflex sight especially designed for quick and instinctive accurate shooting. This advanced optical sight is perfect while on the move where the use of both eyes is critical.
    The MEPRO M21 provides instant, all-light aiming without batteries. Illumination of the aiming point is achieved by a fiber optic collector system during the day and by a miniature self powered tritium light source at night. Transition between the two lighting systems is instantaneous and automatic to assure good contrast between the aiming dot and the target area. The unique light collection system features fiber optic collectors on both the top and front surfaces to gather more light when shooting from within a dark enclosed space toward a bright target area.
    MEPRO M21 is the reliable choice. Designed and fabricated to the highest standards to assure years of reliable operation.
    Key Features:
    • 30 mm diameter lens
    • Large field of view
    • Effective use of sight under extreme conditions
    • Self-illuminated
    • Always available with no loss of power
    • Operates under all weather temperature conditions

    Meprolight Mepro M21 Open X Day/Night Red Dot Sight Specifications:

    • Magnification: 1x
    • Lens Diameter: 30mm (1.1811 in.)
    • Field of View: Unlimited with both eyes open
    • Power source: Fiber optic and Tritium
    • Dimensions (L x W x H): 114 x 55 x 70 mm (4.48 x 2.16 x 2.75 in.)
    • Weight: 372 g (13.12 oz.)
    • Eye Relief: 10 to 600mm