Infantry ALC Marksmanship Exam
A bullet flying through the air is acted upon primarily by 2 forces that can change the direction and velocity of its motion. What are these 2 forces?
Gravity Air Resistance
Increasing the angle of departure, impairing spin, and impairing high velocities on the bullet are 3 things we do to counter what?
Gravity and Air Resistance
When reading the wind you want to focus on the conditions where?
Half-way to two-thirds to the target
What is the Formula to determine MOA?
Inches dived by Distance
What are the 3 phases of ballistics?
Internal External Terminal
How should your finger be placed on the trigger?
It doesn't matter as long as you have it resting on the trigger naturally
What happens when a bullet leave the bore of a rifle?
It immediately begins to fall to the earth
What is Line of Sight (LOS)?
It is what the shooter sees depicted by a straight line from the shooters eye to the target
What is the Formula to determine Inches?
MOA multiplied by Distance
What is Mechanically Zeroing?
Mechanically center the sights Front Sight post is flush with housing Rear Sight is mounted in last slot on receiver, the index line is centered and elevation set to 300
Does having a optic improve ones fundamentals?
No.
Consistent sight alignment plus smooth trigger control is known as what?
Shooting / integrated act of firing
What are the 2 firing tasks?
Sight alignment Trigger Control
What are the 4 fundamentals of marksmanship?
Steady Position Sight Picture Breathing Trigger Squeeze
What is Line of Bore (LOB)?
Straight line from the muzzle to the target
What are the 4 elements of steady position?
Support Muscular Relaxation Natural Point of Aim Durability
While aiming, where should your eye be focused?
The front sight post or reticle
What is sight alignment?
The process of centering your eye with the aiming system
What is sight picture?
The process of centering your eye with the aiming system and with the target
As a Coach you should always be watching?
The shooter not the target
What is Trigger Control?
The skillful manipulation of the trigger that causes the rifle to fire without disturbing the aim
What is the greatest effect on ballistic trajectories?
Wind
What are Full Value winds?
Wind blowing from the 3 or 9 o'clock
What are Half Value winds?
Winds from anywhere in-between the 12 to 3, 3 to 6, 6 to 9, and 9 to 12
What are No Value winds?
Winds from the 12 and 6 o'clock
Will the bullet always go in the direction that the barrel is pointed?
Yes
What is the purpose of battle sight zeroing?
align sights with weapons barrel, when done correctly the point of aim and the point of impact are the same at a given range (provides highest hit probability w/ minimum adjustment to aim point)
Why is consistent stock weld important?
allows for consistent sight alignment
What are the elements of wind effects?
projectile exposure direction wind is blowing velocity of the wind
What is the purpose of a firing position?
to support the 2 basic firing tasks (sight alignment and trigger control)
6" at 600m = ? MOA
1 MOA
What are the 5 points of a solid position?
1. Non-Firing hand 2. Firing Hand 3. Elbows 4. Rifle butt 5. Stock weld
6 inches at 400m = ? MOA
1.5 MOA
4 MOA at 300m = ? Inches
12 Inches
5 MOA at 300m = ? Inches
15 Inches
20 Inches at 500m = ? MOA
4 MOA
3 MOA at 200m = ? Inches
6 Inches
What is Minute of Angle?
A measure of angular measurement. 1 MOA= 1/60 of a degree 1 MOA at 100m = 1 in
Is all shooting the same?
All shooting is the same, the fundamentals required to hit your target are the same.
What does misalignment of sighting system create?
Angular error that increases with distance
Where does all firing take place?
At the Weapon
What are the 2 methods the Army developed for engaging targets?
Battle Sight Zero (unknown distance) Bullet Drop Compensating (known distance)
What do you always want to do in correlation with a Battle Sight Zero?
Confirm and/ or refine at 300m
What is follow through?
Continuing to apply the basic fundamentals until recoil has ceased
What is Ballistics?
Everything that happens to the projectile from the time the primer is struck by the firing pin, until the projectile comes to a complete stop.
What are the two types of coaches?
Experienced and Peer