HOLOSUN HS403R Red Dot Sight User Manual
- June 9, 2024
- HOLOSUN
Table of Contents
HOLOSUN HS403R Red Dot Sight
Thank you for purchasing the HS403R Micro Sight with 2MOA Dot. Before operation please read the User Manual carefully.
Important Notices
- Ensure that the firearm is completely unloaded and safe before device installation or installing a new battery.
- Please keep the packaging should you need to make a warranty claim.
Features
- Up to 100.000 hour battery life .
- Reticle : 2MOA Red dot only.
- Parallax free. unlimited eye relief.
- 10 daylight and 2 night vision compatible reticle brightness settings.
- CNC milled 6061 aluminum mount.
- Protective shrouds on windage and elevation turrets.
- Includes a 1.63″ Absolute Co-witness mount and low mount.
- Waterproof: I P67
Objective Lens
Reflex sights have an objective lens that is positioned at an angle in order
to properly reflect the reticle/dot.
The objective lens must be perpendicular to the LED which projects the light
that is reflected off of the front lens and produces the reticle/dot you see.
Battery
-
The operating voltage for this device is DC3V using one high quality CR2032 Lithium battery which is included with purchase.
-
A high quality battery can power this 2MOA Dot optic for up to 100,000 hours.
Caution: Do
not use a rechargeable battery. -
Please see Fig 3 for battery installation and replacement:
-
Remove the battery cap by rotating counterclockwise.
-
Remove the old battery if applicable. Install a new battery with the POSITIVE side facing outward (Fig.3).
-
Replace the battery cap by rotating clockwise.
Caution:
Rem ova I or damage to the O-ring inside the battery cap will cause moisture
ingress which may damage the electrical circuits and device.
Installation
- The included mount is designed for use with a 1913 Picatinny rail only.
- To install the optic. loosen the To crossbill with the supplied To Torn tool. Attach the optic onto the Picatinny rail in a suitable location. Push the optic forward towards the muzzle and tighten.(Fig4)
Sight operation
The brightness settings are adjusted using the rotary switch that is
integrated with the battery compartment (Fig5).
The HS403R has a total ofl2 brightness settings.
To select a setting. align the brightness setting number on the rotary switch
with the “Lo.” symbol on the body.
For Rotary Switch Settings see Fig6.
-
Power OFF: The “O” setting will power OFF the optic.
-
Dot Brightness Adjustment
Settings l and 2 are night vision compatible settings for use with night vision devices.
Settings 3th rough 72 are day Iight visible settings. Dot brightness will increase as the setting number increases. -
Reticle : the reticle of the 403R is a 2MOA dot.
Zero setting
-
The elevation adjustment turret is on the top. the windage adjustment turret is on the right side (see Fig7). The sight has been factory adjusted for approximate zero at 25 yards.
-
The built in screwdriver tool on the protective cap can be used for zeroing adjustment (see Fig7). See label inside cap.
-
First remove the protective cap, then position slot type screwdriver into the adjustment turret slot. then rotate counterclockwise or clockwise to adjust point of impact.
Each click has an adjustment value 0.5 MOA. -
Adjust the Elevation turret counterclockwise to move the point of impact UP. Adjust the Windage turret counter- clockwise to move the point of impact to the RIGHT. Turning either turret clockwise moves the point of impact in the opposite direction.
-
Caution:
Do not try to over rotate the turrets. If you feel the turrets can not be rotated, this indicates you have reached the adjustment limit. otherwise the device may be damaged. If the required adjustment range is beyond the limits. consider adding an extra spacer between the device and mounting rail to allow for additional adjustment.
Maintenance & care
This device is a precision instrument that deserves reasonably cautious care.
The following tips are provided to ensure long lasting use of the sight.
The optical system includes the objective lens and ocular lens which are
multicoated optical glass. When cleaning the lenses blow away any dust on
surface, wet the lens with lens cleaner or clean water, wipe fingerprints and
oil stains with lens tissue, soft cotton, or microfiber cloth. No special
maintenance is needed for the housing surface. Avoid touching the glass
surface with dry cloth or tissue paper . No organic solvents such as alcohol,
acetone should be used. Do not try to dismantle the device as the internal
parts are specially cleaned and sealed and with antifox treatment. Any such
attempt will void the warranty.
If repair is needed, please call our customer service center, visit our
website ,or send us email.
Limited warranty
SUMMARY
We provide a limited lifetime warranty from the date of purchase on parts and
workmanship to the original purchaser.
At our sole discretion, we will repair or replace a product found to be
defective under normal use and service without charge excluding any delivery
costs, which will be born by purchaser. We will not be liable for incidental,
consequential. or special damages arising out of or in any connection with the
use or performance of this product. This warranty is void if the product has
been misused, modified, neglected, or disassembled prior to its return.
Please refer to http://www.holosun.com for current
and complete warranty information.
HS403R
Red Dot sight
H0L0-SUN
Holosun
Technologies Inc.
www.holosun.com
Customer Service
Phone: 909-594-2888
Email: warranty@holosun.com
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