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Questions & Answers
Does this have shake awake? Thanks!

Yes it does. But then it won't! Mine failed and quite working at almost 200 rounds. Now its a paper weight. To good to be true. Beware.

by Bunker, Verified Owner, July 12, 2025
Customer Reviews
Helpful Positive Review
No battery needed by Jerry, Verified Owner, October 22, 2025
Shockingly good deal from Optics Planet. I wasn't in the market for an expensive red dot or one with the battery under it needing to be replaced by removing the dot and needing realignment to work. This is a fantastic idea and inexpensively the best ...
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2/2 found this helpful
Helpful Positive Review
OLIGHT OSIGHT S by HSM Tactical, October 10, 2025
Excellent compact optic for the price I have this installed on a full size Springfield Armory Echelon 4.5 f I like compact red dots on full size pistols for the fact that I don't have a big bulky Mass protruding from my firearm for a compact sight wi...
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1/1 found this helpful
Helpful Positive Review
High value for a budget optic. by Kaden, Verified Owner, December 7, 2025
I have used several optics now. Sig Romeo X enclosed, Vortex Defender, Romeo zero. For the price point of this, as an enclosed emitter, reticle is very sharp, build quality is great, direct mount to Glock 43x MOS without plate. It punches well above ...
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2/2 found this helpful
Most Recent Reviews
Great reticle clarity. by CSW, Verified Owner, November 22, 2025
While I have not mounted yet, the features and clarity of this RDS are incredible. Appears to be very strong construction, and was easy to understand it's options. Going to be terrific on my 19MOS. Would definitely consider another for my Shield.
Most Recent Reviews
Great little sight by Antonio, Verified Owner, October 28, 2025
fits great. Easy install. Direct fit for Glock 43x. Nice site picture. Easy zero. Instructions are very minimal, pretty much useless. Will take some tinkering to get used to all of the features.
Most Recent Reviews
No battery needed by Jerry, Verified Owner, October 22, 2025
Very easy to setup and install. I recommend an inch pound torque screwdriver but it cant be misaligned without one. OpticsPlanet actually sells this for less than the manufacturers website. It defiantly fits a 365 giving you better control on a micro...
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Read All 6 Reviews
Color:
Black
Reticle:
2 MOA Red Dot 32 MOA Circle
Illumination Color:
Red
Red Dot Sights-Footprint:
RMSc

Code: 6QK-RD-OSIGHTS-OSIGHTSRDDOTBK

MPN: OSIGHTSRDDOTBK

UPC: 6978095650025

List: $250.99Save $1.00
$249.99

Product Info for Osight S 1x21mm Reflex Red Dot Sight

Osight prides itself on being a brand that provides high-quality lights that have been tested to exceed expectations. Their offerings include EDC flashlights, outdoor lights, tactical lights, WMLs, ambient lights, headlamps, bike lights, Optics, and accessories. For years, Osight has been striving to deliver cutting-edge illumination tools to help you do your best in your daily work and hobbies, indoors and out. Creating quality products to help you conquer the night is the root of their business. Additionally, they endeavor to make every light they build a unique companion to accompany you through your brightest and darkest moments and always be by your side.image

Specifications for Osight S 1x21mm Reflex Red Dot Sight:

Manufacturer: Osight
Color: Black
Magnification: 1 x
Objective Lens Diameter: 14 - 21 mm
Objective Window Size: 0.83 x 0.55 mm
Reticle: 2 MOA Red Dot 32 MOA Circle
Illumination Type: LED
Illumination Color: Red
Eye Relief: Unlimited
Adjustment Click Value: 1 MOA
Battery Type: Rechargeable Lithium-Ion Battery
Battery Life: 87,600
Length: 1.59 in
Width: 0.98 in
Height: 0.97 in
Weight: 0.97 oz
Red Dot Sights-Footprint: RMSc

Features of Osight S 1x21mm Reflex Red Dot Sight:

  • Multi-Reticle System

Package Contents:

  • Osight S 1x21mm Reflex Red Dot Sight

Osight S 1x21mm Reflex Red Dot Sight Orderable Models

List of Orderable Models

  • Osight S 1x21mm Reflex Red Dot Sight, 2 MOA Dot, RMSc Footprint, Black, OSIGHTSRDDOTBK , MPN: OSIGHTSRDDOTBK , UPC: 6978095650025 , Code: 6QK-RD-OSIGHTS-OSIGHTSRDDOTBK
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