Osight C Green Open Reflex Optic with Replaceable Side-Loading Battery

Osight C Green Open Reflex Optic with Replaceable Side-Loading Battery

Osight
SKU:
Olight-Osight C GR-BLK
$199.99
(2 reviews)
Weight:
0.50 LBS
Current Stock:
63
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Description

Key Features

Large Field of View
Multi-coated anti-reflective lens maximizes light transmission for superior clarity. The 0.95″ × 0.75″ window enables faster target acquisition and improved follow-up shots.
Side-Loading Battery
Replace the CR1632 battery without removing the optic, eliminating the need to re-zero and ensuring uninterrupted performance.
Selectable Reticle System
Choose between 3 MOA dot, 32 MOA circle, or dot-and-circle reticles to adapt to duty, competition, or defensive shooting.
Industry-Standard Footprint
Compatible with the RMR / 407c / 507c footprint, fitting a wide range of full-size and compact pistols. Optional Picatinny mounts expand rifle compatibility.
Motion Sensor Technology
Automatically activates with movement and powers down after 3 minutes of inactivity to extend battery life.
 
 
 
 
 

Materials

Optic Material 7075 Aluminum

General Data

Adjustment 1 MOA per Click
Reticle Type 3 MOA Dot & 32 MOA Circle
Multi-Coatings Yes
Motion Sensor Yes
Torque Specifications M3: 15 in-lbs per screw
4-40: 15 in-lbs per screw
6-32: 17 in-lbs per screw
6-40: 17 in-lbs per screw
Memory Function Yes
Working Temperature −22°F to 140°F (−30°C to 60°C)
Storage Temperature −40°F to 158°F (−40°C to 70°C)
Power Source CR1632 Battery
Max Runtime Up to 100,000 hours (Mode 3, Dot Only)
Eye Relief Unlimited
Brightness Settings 8 Daylight & 2 Night Vision
Light Wavelength 660 nm
Reticle Color Green
Magnification 1×
Parallax Free Yes
W&E Travel Range ±45 MOA
Window Size 0.95 × 0.75 in (24 × 19 mm)

Technical Characteristics

Waterproof Rating IPX6
Dimensions (L × W × H) 1.77 × 1.18 × 1.18 in (45 × 30 × 30 mm)
Weight 1.48 oz / 42 g
Use / Applications Military, Law Enforcement, Duty Use, Competitive Shooting, Personal Defense
Packaging Carton Box

Package Contents

Osight C Optic (CR1632 Battery Included) × 1
READ ME Card × 1
Osight C Screw Kit × 1
Cleaning Cloth × 1
Safety Warnings × 1
User Manual × 1
Osight Sticker × 1
Adjustment Tool × 1
Spare Battery Compartment Screws × 2
Osight C Black × 1

Reviews

  • 5
    Osight c gn. Reflex optic

    Posted by Dante on May 20th 2026

    This optic is amazing love the green dot and that you are able to change it well made and the fact you can change the battery on the side

  • 5
    recommend

    Posted by Brian on Mar 26th 2026

    I love that I don't have to take the optic off and re-zero my pistol every time it needs a fresh battery. The green dot is incredibly crisp, too.