Quiz 3 -- ????

Question 1

Head Paralax can be checked when shooting LH using ________?

Answer 1

Scope Shadow Technique

pull heat back, see even shadow around edge of optic…puts face on optical axis and shows true aiming point

Question 2

BLIR

Answer 2

[BH (2.75) x Constant (70)] / Distance from LH (ft)

Question 3

LH buffer?

Answer 3

0.404

Question 4

How much is a mil, per foot, from LH

Answer 4

0.012 per foot

Question 5

M107 components?

Answer 5

Upper receiver
Lower receiver
Bolt assembly

Question 6

M33 bullet weight and BC?

Answer 6

650gr

G1 BC = .610

Question 7

M107 Specs

Answer 7

Barrel length = 29in
Barrel rifling = 1:15 RH
Muzzle Velocity = 2850fps
Max effective range = 1830m
Scope-over-bore = 3.00in

Question 8

Leupold Mk 4 Scope

Answer 8

4.5-14x50mm 
Elevation and Windage = 0.25MOA
Reticle = Mil Dot
Tube Diameter = 30mm
SECOND focal plane

Question 9

RET M110 Data

Answer 9

12in = 10 - (mil)
20in = 9 - (mil/2)

Question 10

RET M2010 Data

Answer 10

12in = 9 - (mil)
20in = 8 - (mil/2)

Question 11

Max Range for RET 7.62cal

Answer 11

610m

Question 12

RET winds formula?

Answer 12

Convert holdover to decimal, then add 0.2

Question 13

Three methods for Snaps and Movers?

Answer 13

Tracking
Ambushing
Combination

Question 14

Snaps and Movers lead formula

Answer 14

(4.47 x TOF x MPH) / Range (100s)

Question 15

What are the four factors in determining speed for Snaps and Movers?

Answer 15

Speed of Target
Angle of Target Movement
Range to Target
Winds

Question 16

What distance is the zero for the M107?

Answer 16

500m

Question 17

Alternative LH formula (math check)

Answer 17

Distance from BLIR to bottom of LH (mils) x 0.012 x feet from LH to scope turret

Compare to 0.404. if larger than 0.404, good to go

Question 18

BLIR is always measured from where?

Answer 18

Crosshair of the reticle (NOT from hold)

Question 19

PBZ formula?

Answer 19

Mil deviation x Range (100s) x 3.937= inches +/- LOS