Osight K Open Reflex Optic with Replaceable Side-Loading Battery, RED

Osight K Open Reflex Optic with Replaceable Side-Loading Battery, RED

Osight
SKU:
Olight-Osight K-RED-BLK
$159.99
(4 reviews)
Weight:
0.50 LBS
Current Stock:
33
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Description

Features

  • 6 MOA Dot: A 6-MOA dot provides quicker target acquisition and better visibility, making it ideal for self-defense and during high-stress situations. A larger dot adds consistency to presentation and target alignment, perfect for rapid engagements from the holster. 
  • Side-Loading Battery: Effortless battery replacement without removing the optic ensures hassle-free re-zeroing. A high-end CR1620 battery offers easy accessibility while maintaining steady performance. 
  • RMSc Footprint: Fitting directly to your optics-ready slides, the compact optic delivers exceptional compatibility, ensuring seamless integration across a multitude of builds. 
  • Motion Sensor Function: Motion sensor activates Osight K at the slightest movement, and powers down after 3 minutes of inactivity to conserve battery. 
  • Low Power Indication: If battery voltage drops below 2.2V, the reticle will quickly triple-flash once per minute to recommend an imminent battery replacement.

 

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)
PACKAGE CONTENTS
● Optic (CR1620 battery included) × 1
● Adjustment Tool × 1
● READ ME Card × 1
● Osight K Screw Kit × 1
● Spare Battery Compartment Screw × 2
● Cleaning Cloth × 1
● Safety Warnings ×1
● User Manual × 1
● Osight Sticker × 1

Reviews

  • 5
    top tier

    Posted by Jerome on Dec 30th 2025

    easy installation no plate required on my g 43x. works as it should. high quality and very visible laser. adjustments are easy to make and holds zero very well

  • 5
    Good quality, crisp clean dot and glass. Variety of mounting screws.

    Posted by perrin on Dec 30th 2025

    Great little dot for the price. Comes with a bunch of mounting screws. Mounted right to my CZ p09C nocturne. Will also work on my p365s and 43x but they already have other osights on them.

  • 5
    Awesome

    Posted by Justin on Nov 18th 2025

    Awesome. Good price and quality. Has on, off, and shake awake. Would buy this brand again.

  • 5
    Great

    Posted by HarryC on Nov 18th 2025

    Great little dot for the price. Comes with a bunch of mounting screws. Mounted right to my CZ p09C nocturne. Will also work on my p365s and 43x but they already have other osights on them.