Description
This RMR-footprint red dot combines legendary battery life with dual power systems, delivering reliable target acquisition for full-sized and compact pistols.
Whether you’re training at the range, competing in matches, or relying on your pistol for duty use, the HS407C X2 eliminates the fumbling and guesswork of traditional iron sights. The 2 MOA dot provides precise aiming while the Shake Awake technology instantly activates your sight when you draw, ensuring you’re always ready without draining the battery. With its side-loading battery tray, you can swap power sources without removing the optic from your slide, keeping your zero intact between battery changes.
Key Features
- Side-Loading Battery Tray: Access and replace the CR1632 battery without unmounting the sight, preserving your zero and simplifying maintenance during extended range sessions or competitions
- Dual Power System: Solar Failsafe automatically powers the reticle using ambient light if your battery fails, providing backup operation in any well-lit environment
- Lock Mode Protection: Prevents accidental brightness or setting changes from bumped buttons during holstering, transport, or active use
- Shake Awake Technology: Automatically activates the LED when motion is detected and powers down during inactivity, extending battery life to up to 50,000 hours while keeping your sight instantly ready
Important Compatibility Notes
- Footprint: Uses the industry-standard RMR (Trijicon RMR) mounting pattern with two front posts and two rear screw holes
- Direct Mount Pistols: Works with any RMR-cut optics-ready slide from manufacturers like Springfield, Walther PDP, and others
- Adapter Required: Pistols with DeltaPoint Pro cuts (like Sig M17/M18) require an RMR adapter plate for proper mounting
- Mount Not Included: Does not include a Picatinny rail mount; low-profile RMR-pattern mounts are sold separately for rifle or carbine use
- Wrong Footprint: NOT compatible with RMSc/Shield footprint slides found on compact pistols like Sig P365, Glock 43X/48 MOS, or Springfield Hellcat without modification
Why We Carry It
The HS407C X2 represents Holosun’s second-generation design that directly competes with optics costing twice its price. Since its introduction, this sight has earned a reputation among competitive shooters, law enforcement, and everyday carriers for maintaining zero through thousands of rounds while outlasting competitors on a single battery. The 7075-T6 aluminum housing withstands the violent reciprocating forces of pistol slides, while the IP67 waterproof rating ensures reliable function in rain, snow, or dusty conditions. We chose this optic because it delivers premium features without the premium price tag, making red dot technology accessible to more shooters.
You can read more about this red dot here: https://goldtrigger.com/holosun-407c-review-best-budget-rmr-footprint-sight-in-2025/
Frequently Asked Questions
Will this optic fit my pistol?
The HS407C X2 uses the RMR footprint, which fits most full-sized and compact optics-ready pistols, including Glock MOS models, CZ P-10 series, Walther PDP, Shadow Systems, and many others. Check if your slide has an RMR cut or if your manufacturer offers an RMR adapter plate. Compact pistols with RMSc cuts (like Sig P365 or Glock 43X/48) require the smaller 407K or 507K models instead.
How long does the battery actually last?
On setting 6 (mid-brightness), the CR1632 battery provides up to 50,000 hours of continuous operation—approximately 5.7 years. Real-world usage with Shake Awake enabled typically extends battery life even further since the LED powers down during periods of inactivity. The Solar Failsafe also reduces battery drain when sufficient ambient light is available.
Can I use this sight for concealed carry or duty use?
Yes. The HS407C X2 features Lock Mode to prevent accidental setting changes during holstering or daily carry. Many law enforcement agencies and military personnel use Holosun optics for duty applications. The IP67 waterproof rating means the sight can be submerged up to 1 meter and will function reliably in adverse weather. User reports document thousands of rounds fired without losing zero.
Spec Sheet
Optical Specifications
- Reticle: 2 MOA Dot
- Light Wavelength: 650nm
- Reticle Color: Red
- Parallax Free: Yes
- Unlimited Eye Relief: Yes
- Magnification: 1x
- Multi-Coatings: Yes
Electronic Specifications
- Power Source: Solar & Battery
- Battery Type: CR1632
- Battery Life: 50,000 Hours (Setting 6)
- Brightness Settings: 10 Daylight & 2 Night Vision Compatible
Physical Specifications
- Window Size: 0.63″ × 0.91″
- Dimensions: 1.78″ × 1.15″ × 1.15″
- Weight: 1.5 oz
Mechanical Specifications
- Housing Material: 7075 T6 Aluminum
- Surface Finish: Anodized Black
- Adjustment per Click: 1 MOA
- Windage & Elevation Travel Range: ±50 MOA
Environmental Specifications
- Operating Temperature: -30°C to +60°C (-22°F to +140°F)
- Storage Temperature: -40°C to +70°C (-40°F to +158°F)
- Waterproof Rating: IP67 (submersible to 1 meter)
- Vibration Resistance: 5000G
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