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Holosun 407C X3 Open Pistol Sight 2 MOA Gold Dot RMR Footprint HS407C X3 GD UPC 810047074076
Product Description
The Holosun® 407C X3 Open Reflex Pistol Sight in Matte Black (SKU: HS407C-X3-GD / UPC: 810047074076) is a next-generation, duty-rated micro red dot optic engineered for full-size and compact optics-ready pistols, tactical shotguns, and offset rifle mounts. Built on the industry-standard Trijicon RMR mounting footprint with an expanded 0.91" x 0.68" viewing window, the third-generation 407C X3 pairs Holosun’s high-visibility 2 MOA Gold Dot reticle with Solar Failsafe™ power redundancy.
Precision CNC-machined from high-strength 7075-T6 aircraft-grade aluminum and protected by a corrosion-resistant matte black hardcoat anodized finish, the HS407C-X3-GD is IP67 certified for complete dust and water immersion protection. The updated X3 housing profile maximizes sight window geometry while maintaining rugged structural rigidity under heavy slide reciprocation. Multi-layered anti-reflective glass coatings ensure high light transmission and a crisp, parallax-free sight picture, while the 590nm Gold LED emitter delivers superior contrast across bright outdoor terrain and minimizes dot starbursting for shooters with astigmatism or red-green color blindness.
Designed for continuous duty and concealed carry readiness, the 407C X3 incorporates a side-loading CR1632 battery tray that allows rapid battery replacement without dismounting the sight or shifting your zero. Holosun’s Solar Failsafe™ technology automatically regulates reticle intensity in auto mode and powers the dot directly from ambient light even if the battery is depleted, working alongside Shake Awake™ motion activation, Lockout Mode, and 12 brightness levels (10 daylight and 2 night-vision compatible) to achieve up to 50,000 hours of battery life.
*Armorer Bench Notes & Real-World Staging Guidance:*
Fitment Matrix: Direct fit for industry-standard Trijicon RMR slide cuts, RMR adapter plates (such as Glock MOS Plate 02), and RMR Picatinny rail mounts. CRITICAL WARNING: Will NOT mount directly to slimline Shield RMSc / Holosun K-series cuts (including SIG Sauer P365, Springfield Hellcat, or Glock 43X/48 MOS) or Leupold DeltaPoint Pro (DPP) footprints without a dedicated conversion plate. Apply non-permanent blue (medium-strength) threadlocker to mounting fasteners and torque strictly to 15 in-lbs using a calibrated torque driver.
- Ensure the host firearm is completely clear, magazine removed, and chamber visually and physically verified empty before beginning installation.
- Degrease the slide RMR pocket, recoil bosses, and threaded mounting holes with 99% isopropyl alcohol or acetone, and dry-fit the HS407C-X3-GD onto the slide lugs to verify flush contact with zero rocking.
- Select the proper thread-pitch screws (#6-32 or M3/M4 depending on slide or adapter plate), verify screw length will not contact the extractor plunger assembly, and apply a small drop of blue threadlocker.
- Seat the optic squarely onto the RMR footprint and torque both mounting screws evenly to 15 in-lbs, then apply a witness mark across the screw heads and optic housing.
- Verify crisp 2 MOA Gold Dot illumination across manual and Solar Failsafe™ modes, confirm Shake Awake™ activation, and zero the optic at 15 or 25 yards (1 MOA per click) prior to duty or carry staging.
Key Features
- 2 MOA Gold LED Reticle (~590nm): High-contrast gold illumination provides crisp daylight visibility, stands out against green foliage and desert backgrounds, and reduces blooming for astigmatic eyes.
- Expanded X3 0.91" x 0.68" Optical Window: Enlarged multi-coated glass lens delivers a wider field of view and faster dot tracking during recoil recovery.
- Solar Failsafe™ & Shake Awake™ Technology: Dual-power architecture runs up to 50,000 hours on a single CR1632 battery while providing solar backup power and instant motion-activated wake-up.
- 7075-T6 CNC Aluminum Housing & RMR Footprint: Rugged IP67 waterproof construction mounts directly to standard Trijicon RMR cuts and adapter plates.
- Side-Loading CR1632 Battery Tray & Lockout Mode: Tool-free side battery access preserves zero during cell swaps, while Lockout Mode prevents accidental button presses during concealed carry.
Product Specifications
- Brand: Holosun® Technologies
- Model/Series: 407C X3 Open Reflex Pistol Sight
- MPN / SKU: HS407C-X3-GD / HS407CX3GD
- UPC: 810047074076
- Mounting Footprint: Trijicon RMR
- Reticle Type & Color: 2 MOA Dot — Gold (~590nm)
- Housing Material & Finish: CNC-Machined 7075-T6 Aluminum, Hardcoat Anodized Matte Black
- Window Dimensions: 0.91" x 0.68" (1.0x Magnification, Multi-Coated Glass)
- Adjustment Graduation & Travel: 1 MOA per Click / ±50 MOA Windage & Elevation
- Brightness Settings: 12 Levels (10 Daylight / 2 Night Vision)
- Power Source & Runtime: Side-Loading CR1632 Lithium Coin Battery & Solar Failsafe™ (Up to 50,000 Hours)
- Waterproof Rating: IP67
- Dimensions (L x W x H): 1.78" x 1.24" x 1.15"
- Platform Compatibility: RMR-Cut Optics-Ready Pistols, RMR Adapter Plates & RMR Picatinny Mounts
- Country of Origin: China
