Holosun HE510C-GR & HM3X Magnifier Combo - Green Circle Dot Reticle

Holosun HE510C-GR & HM3X Magnifier Combo - Green Circle Dot Reticle

The Holosun HE510C-GR and HM3X Combo delivers a versatile sighting solution that combines the speed of a wide-window reflex optic with the enhanced target identification capabilities of a flip-to-side 3x magnifier. Featuring Holosun's Multiple Reticle System, Solar Failsafe technology, Shake Awake functionality, and quick-detach mounting, this combination is ideal for AR-15 rifles, PCCs, and defensive carbines requiring rapid transitions from close-quarters engagements to extended distances.

Fast Target Acquisition with Green Circle Dot Reticle

The HE510C-GR utilizes Holosun's Multiple Reticle System (MRS), allowing shooters to select the reticle best suited for the mission without changing zero.

• 2 MOA green dot
• 65 MOA green circle
• Circle-dot combination reticle
• Single LED design maintains zero when changing reticles
• Large viewing window for enhanced situational awareness

Triple Power Redundancy for Maximum Reliability

The HE510C-GR is engineered with multiple power sources to maximize uptime and readiness.

• Solar Failsafe technology continuously charges the internal power storage cell
• Backup battery provides additional power redundancy
• Shake Awake technology conserves battery life during inactivity
• Instant activation with movement detection

HM3X Flip-to-Side Magnifier for Extended Capability

The included HM3X magnifier offers crystal-clear glass and quick transition from 1x to 3x magnification for improved target identification at distance.

• 3x magnification
• Flip-to-side design
• 2.75-inch eye relief
• Adjustable diopter for a customized focus
• Integrated quick-detach mount
• Clear optical performance with minimal distortion

Flexible Mounting Options

Both optics include spacers to accommodate different sight heights and shooting preferences.

• Absolute co-witness configuration
• Lower 1/3 co-witness option with included spacers
• Integrated quick-detach mount on HM3X magnifier
• Ideal for AR-15 platforms and pistol caliber carbines

Key Features

• Holosun HE510C-GR reflex sight and HM3X magnifier combo
• Green 2 MOA dot and 65 MOA circle reticle
• Multiple Reticle System (MRS)
• Solar Failsafe technology
• Shake Awake motion activation
• Large open reflex viewing window
• 3x flip-to-side magnifier
• 2.75" eye relief
• Quick-detach mounting system
• Absolute and lower 1/3 co-witness configurations

Specifications

• Manufacturer: Holosun
• Model: HE510C-GR/HM3X Combo
• Reticle: 2 MOA Green Dot / 65 MOA Green Circle
• Magnification: 1x / 3x
• Objective Window: 0.91" x 1.26"
• HE510C Surface Finish: MAO
• HM3X Surface Finish: Anodized
• Eye Relief: 2.75"
• Mounting Height: Absolute Co-Witness or Lower 1/3 Co-Witness
• Mount Type: Integrated QD Mount
• Color: Black

Compatibility

• AR-15 rifles
• AR-10 platforms
• Pistol caliber carbines
• Picatinny rail equipped firearms
• Defensive and competition rifles

Important Notes

• Changing between reticle patterns does not require re-zeroing.
• Spacer plates are included for absolute co-witness or lower 1/3 co-witness setups.
• Magnifier flips to the side for rapid transitions between 1x and 3x operation.

Frequently Asked Questions

Does the HE510C-GR use a green reticle?

Yes. The optic features a green 2 MOA dot and 65 MOA circle reticle with selectable reticle configurations.

Can I switch between dot-only and circle-dot modes?

Yes. The Multiple Reticle System allows dot-only, circle-only, or circle-dot configurations without changing zero.

Does the magnifier include a quick-detach mount?

Yes. The HM3X includes an integrated QD mount and flip-to-side mechanism.

Can this combo be mounted for lower 1/3 co-witness?

Yes. Included spacers allow both absolute co-witness and lower 1/3 co-witness configurations.

How much eye relief does the HM3X provide?

The HM3X offers approximately 2.75 inches of eye relief for comfortable shooting.

Does changing reticles require re-zeroing?

No. All reticle options are projected by a single LED, so changing reticles does not affect zero.

Is this combo suitable for defensive carbines?

Yes. The combination of rapid target acquisition and 3x magnification makes it well suited for home defense, duty use, and range applications.

What rail system is required?

The HE510C-GR and HM3X are designed for firearms equipped with a standard Picatinny rail.

Combining Holosun's proven HE510C-GR reflex sight with the HM3X magnifier provides a rugged and adaptable optic package capable of delivering rapid close-range performance and improved precision at distance. Whether configured for duty, home defense, competition, or training, this combination offers exceptional versatility and reliability.