Operator's Manual

32
33
To center the rear sight aperture for elevation, turn the rear
sight aperture clockwise on the rear sight leaf until it stops.
Turn the rear sight aperture counterclockwise, counting the
number of clicks (there will be two clicks per complete
rotation), rotate the rear sight aperture until it stops in its
highest position. See Figure 38.
Divide the number of clicks by two and move the rear sight
aperture down to center – Example: 13 clicks = 7 to center
(6 + 7 = 13, Use the larger figure). Record this setting for
future reference.
NOTE! TO MAKE THE REAR SIGHT APERTURE EASIER TO
GRASP WITH FINGERS, ROTATE THE ELEVATION KNOB (REAR
KNOB) TO THE “10” (1000 METER) MARK. AFTER THE REAR
SIGHT APERTURE IS CENTERED AS EXPLAINED ABOVE, MOVE
THE ELEVATION KNOB BACK TO ORIGINAL, LOWER POSITION.
4. With the rear sight mechanically zeroed as described above,
zeroing may be conducted at 25 or 300 meters with the rear
sight elevation knob (rear knob) set at “3”. The rear sight
elevation knob is graduated
from 3 to 10 in 100 meter
increments. The elevation
drums are marked on the
right drum for odd hundreds
of meters and the left drum
is marked for the even
hundreds. See Figure 39.
For each distance, align the
mark on the drum to the
mark on the rear sight housing.
5. To make adjustments for zeroing, first fire a 3-5 round group
onto a target. Adjust the rear sight to align the point of impact
with your intended point of aim:
For windage adjustments, use the windage knob (front knob)
on the rear sight assembly.
• To move group right: Turn windage knob (front knob)
counterclockwise (CCW).
• To move group to left: Turn windage knob (front knob)
clockwise (CW)
• Each “click” on the rear sight windage knob is equal to
½ MIL or approximately 1.7 MOA so that one “click” is
approximately:
- 6 inches (15.24 cm) at 300 meters
- 2 inches (5.08 cm) at 100 meters
- .5 inches (1.27 cm) at 25 meters
For elevation adjustments, use the rear sight aperture.
• To raise the group: Turn rear sight aperture
counterclockwise (CCW).
• To lower the group: Turn rear sight aperture
clockwise (CW).
• Each “click” (half turn) on the rear sight aperture is
equal to 1 MIL or approximately 3.4 MOA so that one
“click” is approximately:
- 12 inches (30.48 cm) at 300 meters
- 4 inches (10.16 cm) at 100 meters
- 1 inch (2.54 cm) at 25 meters
6. If you have the optional front sight adjustment tool and a
spare barrel, it is recommended that you zero for elevation on
the front sight post for each barrel and leave the rear sight set
at mechanical zero as explained in Steps 1-4 above. To adjust
the front sight post for elevation:
Use the optional front sight adjustment tool by placing it into
the opening on top of the front sight assembly. The wrench
will fit over the top of the front sight post and engage the
flats on the sight’s base. See Figure 40.
• To raise the group: Turn
front sight post/wrench
clockwise (CW).
• To lower the group: Turn
front sight post/wrench
counterclockwise (CCW).
• Each half turn on the
front sight is equal to 1
MIL or approximately 3.4 MOA so that 1/2 rotation is
approximately:
- 12 inches (30.48 cm) at 300 meters
- 4 inches (10.16 cm) at 100 meters
- 1 inch (2.54 cm) at 25 meters
7. Repeat Steps 5-6 until the appropriate zero is obtained. Before
making any adjustments, Make sure the slide hammer is
cocked and the safety selector is in the SAFE position as
explained in Sections 10 and 11, the rifle is cleared as
described in Section 17 and the muzzle is pointed in a safe
direction.
18.3 Mounting Optical Sights
WARNING! BEFORE MOUNTING A SCOPE, SIGHT OR OTHER
ACCESSORY ON YOUR RIFLE, PLACE THE SAFETY SELECTOR
FIGURE 39 FIGURE 40
FIGURE 37 FIGURE 38