Optics Flashcards
What FM covers Optics?
FM 3-22.9 (Same FM for M16/M4 Rifle)
What is the NOUM for the ACOG?
M150 RCO
What does BDC stand for?
Bullet Drop Compensator
What is the eye relief for the M150 ACOG?
1.5 inches
What is the exit eye puple for the M150 ACOG?
8mm
What is the maginificaiton for the M150 ACOG?
4 x
What is the stedia reticle based on in the M150 ACOG?
a 19” man at shoulder level
Which zero is the tip of the chevron used for?
100 meter zero
Which zero is the tip of the verticle post used for?
25 meter zero/battlesight zero
What is the aim to hit offset when conducting 25 meter zero?
1/2 cm low. Aim center mass and hit should be 1/2 cm below center mass.
At 25 meters it will take _______ clicks to move 1”
8 clicks to move 1”
At 100 meters it will take _______ clicks to move 1/2”
1 click to move 1/2”
What is the NOUM for the RED DOT CCO?
M68 CCO
What is the eye relief for the M68 CCO?
It is shooter dependent
At 25 meters it will take _______ clicks to move 1” in ele/wind?
6 Clicks is 1” at 25 meters
How many clicks are needed to tighten the M68 CCO to the rail?
3 clicks
What is the NOUM for the Machine Gun Sight?
M145 ELCAN MGO
What is the Maginification and Range for the M145 ELCAN?
3.4x power / engage out to 1200 meters
What is the eye relief for the M145 ELCAN?
3 inches
What is the exit eye pupil for the M145 ELCAN?
8.5mm
What does the stedia on the M145 ELCAN?
60 inches
What does one click equal in wind/elev at 10 meters?
2.5 mm
What is the dot diameter at 100 meters for the M68 CCO?
4 minutes of angle
1 Click clockwise on the rear elevation wheel moves the strike of the round down _____ mm at 10 meters for the M145 ELCAN.
2.5mm
How many clicks on a M68 CCO does it take to move 1 box on the M4 zero target?
3 clicks
