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Primary Arms Optics® Classic Series™ Gen II 24mm Mini Reflex Sight – 3 MOA Red Dot Reticle – AutoLive® Motion Technology – Trijicon® RMR® / Holosun® 507C Footprint – Hardcoat Anodized Black – 810043
Product Description
The Primary Arms Optics® Classic Series™ Gen II 24mm Mini Reflex Sight (810043) represents a masterfully balanced, cost-efficient triumph in everyday personal defense command, pistol slide-ride optimization, and rapid target indexing logistics, engineered in Houston, Texas, to bring premium electronic reliability down to an accessible budget threshold. Purpose-built for shooters who demand a rugged defensive or competition sight without the inflated price tags of legacy miniature optics, the Classic Series proves that value does not translate to compromised function. While cheap, unbranded open-emitter sights frequently suffer from parasitic battery drain, fragile housings that warp under slide deceleration, and fuzzy glass tracks, this next-generation Gen II engine commands strict system authority. This high-efficiency micro reflex sight (818500019817) serves as an indispensable primary or backup component for full-sized carry pistols, tactical carbines, and home-defense staging systems.
The core technological victory of this Gen II mini reflex sight relies on the integration of Primary Arms’ advanced AutoLive® motion-sensing technology. To prevent unexpected battery exhaustion during critical protection blocks, an internal sensor automatically powers down the illuminated emitter after a short period of total immobility. The split-second the optic senses even a micro-vibration from your holster line or workbench, it automatically re-engages the reticle to your exact previous illumination index. Powered by a standard, common bottom-loading CR2032 lithium coin cell battery, this smart power conservation design stretches working longevity up to an incredible 41,000 hours on medium settings. The daylight-bright 3 MOA Red Dot reticle delivers an immaculate balance between surgical long-range alignment and rapid close-quarters tracking, allowing the human eye to isolate center mass instantaneously across 10 distinct manual brightness settings.
The physical framework of this 0.06-pound powerhouse is precision CNC-machined from a solid block of 6061-T6 structural aircraft-grade aluminum alloy and protected with a resilient, scratch-resistant hardcoat anodized black armor wrap. To optimize situational awareness and prevent tunneling sight traps under high stress, the Classic Series features an oversized 24x17mm clear aperture window, giving operators a sprawling widescreen viewing deck that easily mitigates muzzle flip during high-tempo strings. The premium multi-coated lens system is fully treated with scratch-resistant and fog-defeating anti-reflective tracks. Utilizing the globally standardized Trijicon® RMR® and Holosun® 407C/507C footprint layout, this micro-optic mounts natively to milled slides or adapter plates and even ships with its own low-profile Picatinny rail grabber base, granting you complete structural and tactical authority over your active field workspace.
Includes: (1) Authentic Primary Arms Classic Series Gen II 24mm Mini Reflex Sight Core (Hardcoat Anodized Black, 3 MOA Red Dot Reticle), (1) Removable Low-Profile MIL-STD 1913 Picatinny Rail Mount Base, (1) Protective Flexible Rubber Hood Cover, (1) CR2032 3V Battery, Torx Mounting/Adjustment Screws, Alignment Wrench, Technical Instruction Manual, and Branded Factory Sealed Retail Presentation Boxing.
*Mounting Staging & Torque Calibration Guidance: The Primary Arms 810043 incorporates a bottom-loading battery bay to secure a completely flat profile and solid seating connection. When mounting this optic onto a pre-cut pistol slide or the included Picatinny rail base, make sure the surface tracks are completely dry and free of carbon grit. Apply a micro-drop of medium thread-locking compound to the mounting screws and utilize a precise inch-pound tool to torque the hardware to a strict setting of 12 to 15 inch-lbs; exceeding this specification will permanently strip the threads or induce slide interface deformation. Windage and elevation changes are calibrated at 1 MOA per adjustment rotation using a hex wrench; because the dials run smooth without coarse tactile clicks, verify your zero lines on a paper target at the range. Prior to performing bench modifications, explicitly verify your host firearm is completely unloaded, cleared, and safe.
Key Features
- Smart AutoLive® Motion Activation: Motion-sensing battery preservation loop automatically shuts down the emitter during storage and fires the dot back up instantly upon movement.
- Sprawling 24x17mm Clear Aperture: Generous panoramic viewing window simplifies rapid dot tracking during dynamic slide cycles, helping shooters keep both eyes tracking the target.
- Daylight Bright 3 MOA Red Dot: Mapped precisely to balance high-speed close-range visibility with fine, long-range accuracy across 10 independent brightness settings.
- Trijicon RMR / Holosun 507C Footprint: Natively mirrors the industry's most popular mounting spec, establishing an easy fit onto milled pistol slides, adapter plates, or offset rifle mounts.
- Ultra-Durable 6061-T6 Aluminum Core: Lightweight, heavy-duty structural alloy housing stands up to crushing drop impacts and abrasive everyday carry slide-ride shear cycles.
- 41,000-Hour Extended Runtime: Employs an ultra-efficient internal circuit combined with a common CR2032 cell to deliver over four years of dependable baseline tracking life.
Product Specifications
- Brand: Primary Arms Optics® (Engineered, Vetted, and Quality Inspected in Houston, Texas)
- Product Line: Classic Series™ Budget-Conscious Performance Optics
- Model Series Designation: Gen II 24mm Mini Reflex Sight with AutoLive®
- SKU / MPN: 810043 (Alternative Factory Identifiers: PA-CLX-MRS-G2 / CLX-MRS-G2)
- Optic Class: Open Emitter Miniature Reflex Sight / Handgun Slide-Ride System
- Magnification View: Fixed 1x Parallax-Free True Target Tracking
- Clear Aperture Window Dimensions: 24mm x 17mm Widescreen Optical Hub
- Reticle Profile Alignment: 3 MOA Crisp Circular Center Aiming Dot
- Reticle Illumination Color: High-Visibility Tactical Red
- Illumination Brightness Scale: 10 Total Manual Setting Tiers (Daylight Bright to Low-Light)
- Adjustment Calibration Metric: 1 MOA Smooth Adjustments (Continuous Dials)
- Total Elevation / Windage Adjustment Travel: > 60 MOA Comprehensive Internal Bounds
- Chassis Housing Material: Precision CNC-Machined 6061-T6 Aircraft Grade Billet Aluminum
- Surface Protection Finishing: Highly Resistant Type III Hardcoat Anodized Matte Black Shield
- Optical Lens Protection: Fully Multi-Coated Scratch-Resistant & Anti-Fog Glass Layers
- Power Battery Requirements: Driven via Single (1x) CR2032 3V Lithium Coin Cell
- Battery Longevity Capacity: Up to 41,000 Hours (Optimized via Onboard AutoLive Core at Medium Settings)
- Mounting Interface Footprint: Standard Trijicon RMR / Holosun 407C & 507C Footprint Spec
- Included Mount Interface: Removable Low-Profile Picatinny Rail Grabber Mount Adapter
- Product Net Component Weight: ~0.98 oz (~0.06 lbs) - Featherweight Minimalist Slide Profile
- Total Packaging Shipping Mass: ~0.55 lbs (Enclosed Inside Protective Padded Retail Storage Box)
- Factory Warranty Matrix: Backed by the Primary Arms Optics Comprehensive Lifetime Warranty
- UPC Barcode Number: 818500019817
