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RIFLE COMBAT OPTIC. RCO RETICLE. Chevron. Horizontal Stadia Lines. Horizontal Mil Scale. BULLET DROP COMPENSATOR. 100m. 200m. 300m. 400m. 500m. 600m. 700m. 800m. HORIZONTAL MIL SCALE. 5 mils. 10 mils. Horizontal Mil Scale. MOUNTING THE RCO ON THE M16A4 / M4. Thumb Screws.
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RCO RETICLE Chevron Horizontal Stadia Lines Horizontal Mil Scale
BULLET DROP COMPENSATOR 100m 200m 300m 400m 500m 600m 700m 800m
HORIZONTAL MIL SCALE 5 mils 10 mils Horizontal Mil Scale
MOUNTING THE RCO ON THE M16A4 / M4 Thumb Screws Rail Assembly Mount Receiver Grooves
MOUNTING RCO ON M16A2 -- REMOVE RAIL GRABBER Rail Grabber Screws
ALIGNING RCO WITH M16A2 CARRYING HANDLE
Special washer Lock washer INSERTING THE SCREW SET
POSITION OF SCREW SET Correct Incorrect
BINDON AIMING CONCEPT (BAC) Unaided eye Eye behind optic
Bullet Strike SCOPE SHADOW Scope shadow and resulting bullet impact.
3 mph 5 mph 10 mph 15 mph Wind direction: WINDAGE ADJUSTMENT – 100m
WINDAGE ADJUSTMENT – 200m 3 mph 5 mph 10 mph 15 mph Wind direction:
WINDAGE ADJUSTMENT – 300m 3 mph 5 mph 10 mph 15 mph Wind direction: