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Primary Arms CLx Enclosed Reflex Sight - AutoLive® 3 MOA Red Dot - RMSc Footprint - 810052
Product Description
Equipping a slimline everyday carry sidearm, micro-compact defensive pistol, or lightweight pistol-caliber carbine (PCC) for high-velocity tracking and reliable environmental security reveals an immediate physical bottleneck: exposed open-emitter designs. Standard open-lens micro red dots leave their internal projection LED completely naked to the elements, allowing pocket lint, heavy rain droplets, body sweat, and holster debris to clog the emitter track and instantly wipe out your aiming point. The **Primary Arms® CLx® Enclosed Reflex Sight (810052)** completely eliminates these carry vulnerabilities. As a centerpiece of Primary Arms’ budget-focused CLx tier, this fully sealed and emitter-shielded optic packs advanced closed-housing security and motion-sensing illumination into a hyper-compact framework that fits everyday carry budgets.
Precision-machined at Primary Arms' advanced facility from a solid block of **6061-T6 structural aluminum alloy**, this micro-enclosed sight provides exceptional cross-axis stiffness and slide-ride longevity. The rugged chassis is nitrogen-purged, O-ring sealed, and treated with a uniform, non-reflective **Mil-Spec Type III hardcoat anodized black jacket** that actively repels trail moisture, carbon fouling, and harsh chemical bore solvents on your maintenance bench. The internal visual workspace features clear, fully multi-coated **21x17mm optical glass lenses** treated with anti-reflective layers to maximize light transmission while minimizing internal reflections. This advanced lens configuration projects a razor-sharp, daylight-bright **3 MOA Red Dot** that speeds up close-range target tracking and precise shot placement under dynamic stress.
In fast-moving defensive frames, intensive training courses, or everyday concealed carry loops, the advanced power logic and structural redundancy of the **PA-CLX-RS-E** provide a massive tactical edge. It features Primary Arms' patented **AutoLive® motion-sensing illumination technology**, which automatically powers the dot on instantly the micro-second it senses physical movement and drops into a low-draw sleep mode when resting stationary in a vehicle safe or nightstand drawer. This smart circuit mapping stretches the runtime of the side-loading **CR1632 lithium battery tray** up to an exceptional **21,000 hours** on a medium setting. Best of all, the side-access tray allows armorers to drop in a fresh battery cell straight from the bench without unbolting the housing from the slide or losing their primary range zero.
Key Features
- Fully Enclosed Emitter Shield: Completely seals the LED projection module inside a nitrogen-purged housing, allowing mud, rain, lint, and sweat to be wiped off the outer glass without blocking the dot.
- Native RMSc Footprint Fitment: Engineered to bolt directly onto slimline and micro-compact slides without requiring wide, accuracy-robbing adapter plates or spacer shims.
- AutoLive® Motion Activation: Onboard motion sensors command immediate power-on upon weapon draw and enter battery-saving sleep mode during stationary staging blocks.
- Side-Loading Battery Tray: Houses a common CR1632 battery cell in a quick-access side compartment, allowing seamless swaps without re-zeroing or removing the optic.
- Integrated Backup Rear Iron Sight: Features a mechanical rear iron sight outline molded natively into the back of the aluminum housing, providing instant co-witness redundancy if power fails.
- Primary Arms Lifetime Warranty: Hand-inspected at corporate headquarters in Houston, Texas, and fully backed by an unyielding lifetime manufacturer warranty against material defects.
Product Specifications
- Brand: Primary Arms® Optics
- Model Line: CLx® Advanced Value Series
- MPN/SKU: 810052 (Also tracked as PA-CLX-RS-E)
- UPC Code Profile: 810178480531
- Optic Emitter Class: Closed Emitter / Fully Enclosed Reflex Sight
- Reticle Configuration: 3 MOA Red Dot Aiming Point
- Reticle Color Tone: High-Contrast Red Bright
- Clear Window Aperture: 21 mm x 17 mm
- Brightness Settings Array: 10 Total Levels (8 Daylight Steps / 2 Night Vision Compatible)
- Illumination Control Interface: Dual Side-Mounted Tactile Push-Button Controllers
- Power Management Logic: AutoLive® Motion-Sensing On/Off Battery Saver
- Power Supply Matrix: 1x CR1632 3V Lithium Coin Cell Battery
- Active Battery Runtime: Up to 21,000 Hours Continuous (On Medium Staging Level)
- Adjustment Click Value: 1.0 MOA (Minutes of Angle) Per Click Detent
- Total Windage & Elevation Travel: >60 MOA Total Internal Adjustment Range
- Chassis Housing Material: 6061-T6 Aircraft-Grade Structural Aluminum Billet
- Exterior Surface Shield: Matte Black Hardcoat Anodization
- Mounting Interface Footprint: Shield RMSc Native Pattern
- Recommended Torque Specification: 12 - 15 in-lbs (With Removable Blue Threadlocker)
- Environmental Protection: Waterproof, Shockproof, Nitrogen Purged Fog Defense
- Overall Optics Unit Length: 1.61 Inches (40.9 mm Compact Profile)
- Net System Mass: 0.98 Ounces (Ultra-Lightweight Slide-Ride Component)
- Country of Design: Hand-Inspected in Houston, Texas, USA
