Barska AC12140 Owner's manual

Barska AC12140 Owner's manual
Focusing
1. Hold the scope about 2 to 3 inches (6 to 10 cm) away from you
eye and look through the eyepiece until you see the full
field of view.
6-36x52 IR
SWAT-AR Scope Manual
2
2. If your reticle isn’t sharp, turn the eyepiece focusing ring in either
direction until the image seen is sharp and focused.
Mounting
3
5
1. Make sure you have the appropriate rail for your rifle, if not your
firearms dealer will assist you.
1
2. Place and secure the scope onto the mount ring. Once you have
fitted the scope to your desired position, tighten the mount ring
down onto the rail.
4
Pre-Zeroing
1. Pre-zeroing sighting can be done with scope guide or a shot
shaver which can be obtained from your firearms dealer.
6
7
Parts of the Scope
1. Eyepiece
2. Rheostat
3. Battery Compartment
4. Zoom Ring
5. Elevation
6. Windage
7. Angled Objective Lens
- Objective lens is set back in
the housing to allow the sun
shade to cast a shadow and
reduce glare for use in
bright sun.
WARNING
BE CERTAIN THAT YOUR FIREARM IS NOT LOADED
AND POINTED AWAY FROM YOU IN A SAFE DIRECTION
DIRECTLY VIEWING THE SUN OR ANY LIGHT SOURCE WITH THIS
OPTICAL DEVICE CAN CAUSE PERMANENT EYE DAMAGE.
Use safe gun handling procedures at all times.
ATTENTION: All shooting should be done in an approved range
and in a safe area and that eye and ear protection is used
DANGER: If you used a bore sighting collimator or another bore
obstructing device, remove it before proceeding. If the barrel has
been drilled for a mount, ensure that the screws do not obstruct
the bore. Do not fire live or even blank ammunition with an
obstructed barrel as any obstruction can cause serious damage
to the gun and the possible injury to yourself and other people
around you.
2. With scope mounted set zoom to mid power and rest the rifle on
a steady support.
©2015 BARSKA® | Pomona, CA 91767 USA
www.barska.com
Each click adjustment of the windage and elevation
changes/moves the bullet strikes by the amount in chart below
1/8” MOA
WINDAGE / ELEVATION (inches per click or movement)
25yds
50yds
100yds
200yds
1/32”
1/16”
1/8”
1/4”
Re-Zeroing
Re-zeroing scale back to zero is optional and should only be done
after zeroing in your scope.
1. Pull the turret cap gently all the way up to disconnect it from
the drum inside.
2. Turn the turret cap to reset the scale to zero.
3. Gently push the turret cap down to lock it in place.
4. Your scale is now re-zeroed.
3. Look through the bore from the breech at a target 50 yards away.
Move to butt stock so that the target is in the center of the bore.
4. Without moving the rifle, turn the
windage and elevation adjustment dials
with fingers in the direction you wish the
bullet's point-of-impact to change.
(up/down, left/right)
Note: If a large amount of windage and
elevation adjustments are needed to bore sight, make half of the
scales available adjustments at a time for the windage and
elevation.
Boresighting
Bore sighting your riflescope with you rifle will allow you to quickly
and more accurately "zero in" or "sight in" your riflescope to the
correct shooting distance. You will always need to shoot a test
group of shots after you bore sight your rifles to you rifle. Bore
sighting your riflescope will reduce wasting ammunition when
targeting in your rifle during test shooting.
Example: You have a newly mounted zoom power riflescope on a
rifle and aim at a target 100 yards away. You aim for the center of
the target with the scope and fire for the first time, but you see no
impact on the target in the view of the scope. If you were not able to
see where the bullet actually landed then you would need to guess
how you need to adjust the scopes windage and elevation on the
next shot. You would need to continue shooting multiple test shots
and adjusting the scope until the actual impact of the bullet comes
into view of the scope. This will waste time and ammunition.
Why does this happen? A newly mounted riflescope's actual zero
point on a rifle is unknown due to many variables; type of scope
base, height of mounting rings, type of rile, type of ammunition etc.
Zeroing
2/15
BC421
After zeroing in your scope, you can follow pre-zeroing procedure
to scale back to zero.
Set scope zoom to the max power, and adjust the windage and
elevation knobs as needed to correct the aim.
Illuminated Mil-Dot Reticle
The black mil-dot illuminates to red for low light
targeting or green for daylight targeting. The
adjustable reticle brightness button for each color
offers variable lighting intensities. When replacing
batteries use CR2032 with the "+" side up.
Mil-Dot Reticle
The space between the centers of the dots equal
1 milliradian. (mil) One Mil equals 3.6 inches @ 100 yards or 36
inches @ 1000 yards
To use the MIL-DOT system effectively you must precisely estimate
the size of the target. Example: Lets say an average bear is 6 feet
tall. The bear is covered by 4 mils in your reticle. Convert the bear’s 6
feet to yards. After converting you should be left with 2 yards.
Multiply the 2 yards by 1000 yards, (average power of scope) you
should be left with 2000 yards. Divide 2000 yards by the number of
mils that covers the bear (4 mils) it will equal out to 500 yards. Those
500 yards are the distance between you and the bear. (below is a
formula for calculating the range with your Mil-Dot Reticle and below
that is a table of mils)
Height of target (yards) X 1000 = Range (yards)
Height of target
It is important that you estimate the height of the target is correct.
The slightest size difference can throw off the range. A good way of
knowing the height of objects is by training on your spare time.
See reverse side for additional information
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