HOLOSUN HS503R Circle Dot Micro Sight User Manual

June 4, 2024
HOLOSUN

HS503R Circle Dot Micro Sight
**User Manual

**

Features

  1. Up to 100.000 hours of battery life.
  2. 2 Reticle Options: 65 MOA circle with 2 MOA dot:2M0A dot only.
  3. Parallax-free, unlimited eye relief.
  4. 10 daylight and 2-night vision compatible reticle brightness settings.
  5. CNC milled 6061 aluminum housing and mount.
  6. Protective shrouds on windage and elevation turrets.
  7. Includes a 1.63 Absolute Co-witness mount and low mount.
  8. Waterproof: I P67

Objective Lens

HOLOSUN HS503R Circle Dot Micro Sight - object 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 which projects the light that is reflected off of the front lens and produces the reticle/dot you see.

Multi-Reticle

The reticle for this sight Is a central 2MOAdot. centered in a 65M0A circle with four positioning points. The diameter of the circle reticle represents approximately S’ 5′ at 100 yards1170cm at 100m)HOLOSUN HS503R Circle Dot
Micro Sight - multi

Battery

  1. The operating voltage for this device Is DC3V using one high-quality CR2032 Lithium battery which is Included.
    Thank you for purchasing the HSSO3R Micro Sight with Circle-Dot reticle. Before operation please read the User Manual carefully.
    Model
    HS503R
    Important

    Notices
    1. Ensure that the firearm is completely unloaded and safe before device Installation. or installing a new battery.
    2. Please keep the packaging should you need to make a warranty claim

  2. A high-quality battery can power this 2MOA Dot optic for up to100.000 hours using the 2M0A dot on setting 6.
    Caution: Do not use a rechargeable battery.

  3. Please see Fig 3 for battery installation and replacement:

  1. Remove the battery cap by rotating counterclockwise.
  2. Remove the old battery if applicable. Install a new battery with the POSITIVE side facing outward (Fig3).
  3. Replace the battery cap by rotating clockwise.
    Caution: Removal or damage to the 0-ring Inside the battery cap will cause moisture Ingresswhich may damage the electrical circuits and device.

Installation

  1.  The Included mount is designed for use with a 1913 Picatinny rail only.
  2. To install the optic. loosen the TIO cross bolt with the supplied 110 Ton tool. Attach the optic onto the Picatinny rail in a suitable location. Push the optic forward towards the muzzle and tighten. (Fig4)
    HOLOSUN HS503R Circle Dot Micro Sight - instole

Sight Operation

The brightness settings are adjusted using the rotary switch that is integrated with the battery compartment (see Fig5. The HSSO3R has a total of 12 brightness settings. To select an adjustment, you only need toHOLOSUN
HS503R Circle Dot Micro Sight - oparetion settings and alight the brightness setting number with the “ ” symbol on the body. See Fig. 6 for rotary switch settings.
HOLOSUN HS503R Circle Dot Micro Sight - fig6

  1. Power of: The “0” setting will power the optic OFF.
  2. Reticle Brightness Adjustment Settings 1 and 2 are night vision compatible settings for use with night vision devices. Settings 3 -12 are daylight visible settings. Reticle brightness will increase as the set number increases.
  3. Reticle Selection The HS503R features the circle-dot Multi Reticle System. The default setting is a 2MOA dot only. Selecting the” ” setting will switch between the dot only and the circle-dot reticle. Selecting the ‘ ‘ again will change the reticle from the circle dot back to the 2MOA dot only.
    HOLOSUN HS503R Circle Dot Micro Sight - fig7

zero setting

HOLOSUN HS503R Circle Dot Micro Sight - protective

  1.  The elevation adjustment turret is on the top, and the windage adjustment turret is on the right side (see Fig7). The site has been factory adjusted for approximately zero at 25 yards.’
  2. The built-in screwdriver tool on the protective cap can be used for zeroing adjustment (see Fig7). See the label inside the cap.
  3. First, remove the protective cap, then position the slot type driver into the adjustment turret slot. Rotate counterclockwise or clockwise to adjust the point of impact. Each click has an adjustment value of 0.5 MOA.
  4. 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 PIGHT. Turning either turret clockwise moves the point of impact in the opposite direction.
  5. 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 adjusting 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 multi- coated optical glass. When cleaning the lenses. blow away any dust on the 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 a 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 anti-fog treatment. Any such attempt will void the warranty. If repair is needed. please call our customer service center. visit our website. or send us an 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 products found to be defective under normal use and service it.
without charge excluding any delivery costs. which will be born by the 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 www.holosun.com for current and complete warranty information.

HS503R Circle Dot sight
Holosun Technologies Inc.www.holosun.com
Customer Service
Phone:909-594-2888
Email:warranty@holosun.com

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