Olight Osight K Open Reflex Optic with Replaceable Side-Loading Battery
Olight Osight K Open Reflex Optic with Replaceable Side-Loading Battery
Osight K is an open reflex optic from Olight with a unique replaceable side-loading battery, this affordable optic with 6 MOA dot provides quicker target acquisition and allows optimal visibility, perfected for self-defense or duty calls.
6 MOA DOT
Osight K is a 6 MOA red dot for everyone, a larger dot that guarantees draw, alignment and engagement in high-stress scenarios. The dot adds consistency to presentation and target alignment, ideal for rapid holster engagements.
SIDE-LOADING BATTERY
Olight's masterful design allows effortless battery replacement and loading without the need to remove the optic. This ensure a hassle-free re-zeroing.
RMSc FOOTPRINT ULTIMATE FIT
Osight K fits directly to RMSc optic ready cut slides to deliver exceptional compatibility and seamless integration across multitude of builds.
MOTION SENSOR
Osight K gets activated at the slightest movement and also powers down after 3 mins of inactivity to save battery.
INTUITIVE LOW POWER PROTECTION
An absolutely risk-free module, Osight K reticle with rapidly triple flash once per minute when the battery voltage drops below 2.2V, to alert for an immediate battery replacement.
Highlights:
- Flush fit, fully concealed
- Lightweight, aircraft grade 7075-76 aluminum housing
- Perfect co-witness with most factory iron sights
- 8 Daylight, 2 Night Vision with adaptive brightness levels
- Multilayer coatings for clarity
- Optional RMR-to-RMSc adapter plate
Specifications:
| MATERIALS | |
|---|---|
| Optic Material | 7075 Aluminum |
| GENERAL DATA | |
|---|---|
| Adjustment | 1 MOA per Click |
| Reticle Type | 6 MOA Dot |
| Multi-Coatings | Yes |
| Motion Sensor Function | Yes |
| Torque Specification(s) | M3 15in-lbs Per Screw; M4 17in-lbs Per Screw; 6-32 17in-lbs Per Screw; 6-40 17in-lbs Per Screw; |
| Memory Function | Yes |
| Power Source | CR1620 battery |
| Max. Runtime | 63,000 H (Mode 3) |
| Unlimited Eye Relief | Yes |
| Brightness Settings | 8 DL & 2 NV |
| Light Wavelength | 660 nm |
| Reticle Color | Red |
| Magnification | 1x |
| Parallax Free | Yes |
| W&E Travel Range | ± 35 MOA |
| Window Size | 0.83 × 0.55 in (21 × 14 mm) |
| TECHNICAL CHARACTERISTICS | |
|---|---|
| Waterproof | IPX6 |
| Weight | 1.02 oz / 29 g |
| Packaging | Carton Box |
| Use | Concealed Carry, Self-defense, Home Protection, Everyday Carry |
| Dimensions (Length x Width x Height) | 1.59 × 0.98 × 0.98 in 40.4 × 25 × 25 mm |
| Storage Temperature | -40°F to 158°F (-40°C to 70°C) |
| Working Temperture | -22°F to 140°F (-30°C to 60°C) |
What's in the Box:
1 x Optic (CR1620 battery included)
1 x Adjustment Tool
1 x READ ME Card
1 x Osight K Screw Kit
2 x Spare Battery Compartment Screw
1 x Cleaning Cloth
1 x Safety Warnings
1 x User Manual
1 x Osight Sticker
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Olight Osight K Open Reflex Optic with Replaceable Side-Loading Battery
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FAQs
Please read our FAQs page to find out more.
What materials are your caps made from?
Our caps are crafted from premium fabrics designed for durability, comfort, and long-lasting style. Each cap undergoes careful quality checks to ensure you get a product that feels as good as it looks.
How do I know which size will fit me?
Most of our caps feature adjustable straps to provide a comfortable fit for a variety of head sizes. Check the product page for specific sizing details to ensure the perfect fit.
How long will it take for my order to arrive?
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What is your return and refund policy?
We offer free returns within 30 days of delivery. There are no restocking fees, and all items are eligible. Refunds are processed to your original payment method within 5–14 business days after we receive your returned item.
Are your caps suitable for outdoor activities?
Absolutely! Our caps are designed with both style and functionality in mind. They’re breathable, comfortable, and durable, making them perfect for city adventures, sports, and everyday wear.