Osight SE MOS Enclosed Red Dot for Glock – Flawless Direct-Mount Optic

Description

The Osight SE MOS Enclosed Red Dot is a closed-emitter pistol sight with a base machined to mount directly on compatible full-size Glock MOS slides. Osight describes it as the first enclosed emitter built with a direct MOS footprint, which removes the adapter plate from the stack.

Osight SE MOS Enclosed Red Dot Overview

Glock’s Modular Optic System slides normally need an adapter plate between the slide and the optic. Every plate adds height, extra screws and another place for things to loosen. The SE MOS skips that layer, so the optic sits lower and the mounting is simpler. Inside the sealed housing, a red multi-reticle lets you choose a 2 MOA dot, a 32 MOA circle, or both together. An aspherical lens is used to reduce distortion and keep the view clear and parallax-free across the window.

Direct MOS Mounting

Mounting directly to the slide is the main reason to choose this optic. Without a plate, the dot sits closer to the bore and to your iron sights, which can make co-witnessing easier with taller sights and gives a more natural presentation. Fewer parts also means fewer screws to check. The trade-off is that the SE MOS is purpose-built for compatible full-size Glock MOS slides; it is not a universal footprint optic, so confirm your model before buying.

Sealed Enclosed Emitter

An enclosed emitter keeps rain, lint, dust and debris off the LED. For a pistol worn under clothing every day or carried on duty in bad weather, that protection prevents the dot from being blocked or blooming when you need it most. The front and rear lenses still need cleaning, but there is no exposed emitter well collecting pocket lint.

Reticle Choices

You can run the combined 2 MOA dot and 32 MOA circle, the dot only, or the circle only. The small dot is useful for precise shots at longer pistol distances, the circle helps the eye find the reticle quickly at close range, and the combination gives you both. Shooters with astigmatism often find a circle-dot easier to center than a single dot.

Battery and Motion Sensor

The SE MOS uses a side-loading CR1632 battery, so changing it does not require removing the optic and losing zero. A motion sensor powers the sight on at the slightest movement and turns it off after 3 minutes without motion, which conserves battery while keeping it ready on the draw. Change the battery on a regular schedule rather than waiting for the dot to dim.

Store Listing Note

Our supplier title references an RMSc footprint, but the manufacturer lists this model as a direct MOS-mount optic for full-size Glock MOS slides. Osight sells separate SE models with an RMSc footprint. Check the manufacturer fit guide or contact us if you are unsure which version you need.

Honest Trade-Offs

Because it fits a specific slide pattern, the SE MOS has less flexibility than an optic with a common footprint if you change pistols later. An enclosed housing is also a little taller and bulkier than an open micro dot, so make sure your holster is cut for an enclosed optic. For Glock MOS owners who want a sealed dot without a plate, though, it is a simple and appealing setup at a reasonable price.

Specifications

• Emitter: Enclosed
• Mount: Direct mount for compatible full-size Glock MOS slides
• Reticle: Red 2 MOA dot, 32 MOA circle, or combined
• Lens: Aspherical, parallax-free
• Battery: Side-loading coin cell
• Auto on and off: Motion sensor, 3-minute shutoff
• Color: Black matte
• UPC: 6978095650384

Before You Buy

Confirm your Glock is a full-size MOS model listed on the manufacturer fit guide, and check that your iron sights and holster work with an enclosed optic. Use the correct screw length, an optics-safe thread locker and the specified torque.

Who It Is For

The Osight SE MOS Enclosed Red Dot is a great fit for full-size Glock MOS owners who want a sealed red dot mounted without an adapter plate.

Buy the Osight SE MOS Enclosed Red Dot at MAG5 Firearms

MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Osight SE MOS Enclosed Red Dot online today, or browse our full selection of optics for more red dot sights and pistol optic plates. For factory details, visit Osight.