Drawing: Cobra Drawing: Cobra

M21 Sight

Drawing: M21 sight Drawing: M21 sight reticle
Image: M21 sight


1. Locking pin Locks sight in down position.
2. Control lock Locks sight to linkage in stowed position.
3. Stow lock Locks sight in stowed position
4. Actuator bar Slaves machine guns to sighting station
5. Reticle lamp switch Turns on reticle lamp and selects bulbs
6. Trigger Fires machineguns
7. Reticle intensity control Increase/decrease reticle intensity
8. Sunlight filter Makes reticle more visible in bright sunlight

Photo courtesy of 174th Assault Helicopter Company

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Updated: 12 January 2008
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Born on 10 February 2000