5 Best Red Dots For Glock 47 Mos of 2026 That Hold Zero

1

Monstrum Dovetail Red Dot Mounting Plate for Glock Pistols |

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• ARS Mark

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  8.8
• Brand
  Monstrum

Key specs2

Mounting interface

Mounts directly into standard factory rear dovetail cuts on non-MOS Glock slides rather than factory MOS optic plates.

Footprint standard

Docter footprint

Pros & cons33

Pros

• Adapts standard rear sight dovetails on non-MOS Glock models like the Glock 47 to accept optics
• Supports reflex optics utilizing the Docter mounting footprint pattern
• Allows red dot installation without custom slide milling on standard non-MOS slides

Cons

• Incompatible with factory Glock MOS slide cutouts and MOS adapter plates
• Replaces the rear iron sight dovetail so factory backup iron alignment is lost
• Bare mounting plate only and does not include an optic or mounting screws

2

RMR Red Dot Sight 5MOA for G2C Glock Rifle Airsoft

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  7.8
• Brand
  Gotical

Key specs2

Reticle dot size

5 MOA red dot

Mounting configuration

• RMR footprint base for handgun slide mounting
• Includes 1913 / 20mm Weaver rail clamp base

Pros & cons33

Pros

• 5 MOA red dot reticle enables rapid sight acquisition at close defense distances
• RMR base pattern offers compatibility with standard RMR-style slide adapter plates
• Includes a 1913 and 20mm Weaver rail base for mounting to rail-equipped platforms

Cons

• Slide mounting on a Glock 47 MOS requires a separate RMR MOS adapter plate
• Manufacturer does not provide water resistance ratings or battery runtime data
• Airsoft and hunting crossover design requires verifying recoil durability on 9mm slides

3

Ade RD3-009-Crusader Red Dot Reflex Sight for Glock MOS System

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  9.7
• Brand
  Ade Advanced Optics

Key specs2

Slide fitment

Glock MOS system

Optic profile

Open reflex sight housing tailored for mounting directly atop Glock MOS factory slide cuts using appropriate MOS hardware.

Pros & cons33

Pros

• Engineered specifically to interface with the factory Glock MOS slide mounting system
• Open reflex sight profile aligns cleanly with full-size Glock handgun slides
• Direct handgun slide design avoids the added height of bulky rail adapters

Cons

• Product specifications leave the exact MOA size of the red dot unstated
• Does not state battery runtime estimates or motion-activation wake sensors
• Environmental water resistance and shock ratings require buyer verification

4

GOTICAL CNC-Machined Fiber Optic Set Front & Rear Handgun Sights

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  7.6
• Brand
  Gotical

Key specs3

Reticle and controls

• 3 MOA red dot reticle
• 6 push-button brightness levels located on the left side

Housing construction

Forged aluminum, waterproof and shockproof

Lens specifications

45mm tubeless reflector window featuring multi-coated, scratch-resistant amber glass.

Pros & cons43

Pros

• Forged aluminum housing offers waterproof and shockproof construction on handguns
• 3 MOA red dot reticle with 6 brightness levels adjusted from the left side
• Wide 45mm tubeless reflector lens features anti-reflection scratch-resistant glass
• RMR footprint pattern provides compatibility with matching RMR adapter plates

Cons

• Listing notes broad model exclusions that require careful frame verification
• Listed weight of 0.42 lb adds noticeable mass to a cycling 9mm slide
• Lacks shake-awake motion activation to preserve battery during holster carry

5

VINTCON Serpens Red Dot Sight丨Open Reflex Sight with Large Objective

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  7.1
• Brand
  VINTCON

Key specs3

Power management

Shake-awake motion activation

Environmental sealing

Waterproof and fogproof

Optic footprint

RMR footprint interface designed to mount to Glock MOS slides with standard RMR adapter plates.

Pros & cons43

Pros

• Shake-awake motion sensor activates the dot upon draw and sleeps during inactivity
• RMR footprint matches standard Glock MOS #02 adapter plates for secure mounting
• Waterproof and fogproof construction protects internal circuitry in wet conditions
• Large objective lens provides an open sight picture for rapid dot tracking

Cons

• Product specifications do not list the exact MOA measurement of the red dot
• Holstered movement during vehicle transit can prevent the sight from entering sleep mode
• Requires verifying screw length to prevent contact with the right-side extractor pin

Last update on 2026-10-06 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Does a red dot mount directly to the Glock 47 MOS slide or does it require an adapter plate?

It depends on the optic footprint and mounting base. Glock Modular Optic System (MOS) slides feature a factory slide cut engineered for adapter plates, though certain sights like the Ade RD3-009-Crusader are built specifically for the Glock MOS system pistol handgun. Other reflex optics, such as the VINTCON Serpens, utilize an RMR footprint and need an appropriate MOS adapter plate to secure to the slide. If a handgun is a non-MOS variant, products like the Monstrum dovetail red dot mounting plate fit standard rear dovetail slots on models like the Glock 47, but factory MOS slides should use dedicated MOS plate hardware. Check your optic packaging and slide specifications to confirm whether an adapter plate is necessary.

Can you mount an RMR footprint optic onto a Glock 47 MOS?

Yes, you can mount an RMR footprint sight, but you must use an RMR-compatible MOS adapter plate. Optic models featuring an RMR pattern, such as the VINTCON Serpens open reflex sight, cannot screw directly into the bare Glock factory slide cut without a matching plate. Attempting direct installation without the correct plate interface can lead to loose optic fitment, thread damage, and lost zero during cycling. Confirm that your mounting screws are the exact length specified by the plate maker so they seat tightly without binding internal slide parts.

How do you ensure a red dot holds zero under continuous slide recoil?

Holding zero requires rigid mounting hardware, proper screw engagement, and a durable sight chassis. Selecting an open reflex sight with a durable, waterproof, and fogproof housing helps protect internal emitter components against sharp slide acceleration. You must also verify that the optic sits completely flat against the MOS plate with no rocking movement before you tighten the fasteners. Applying threadlocker and torquing screws to the exact value listed in the manual prevents the assembly from vibrating loose over extended range sessions.

Does an MOS reflex sight come with shake-awake motion activation?

Motion activation features vary depending on the specific red dot model. Certain optics, such as the VINTCON Serpens red dot sight, provide shake-awake functionality paired with a parallax-free design to instantly activate the reticle when the firearm is handled. Other sights rely strictly on manual push buttons or constant-on settings, requiring manual adjustment before use. Check the product documentation to confirm whether automatic motion sensing and multi-level brightness controls are included in the unit.

What reticle dot size is best for target acquisition on a Glock MOS?

Reticle dot choice depends on whether you prioritize pinpoint precision or rapid close-range sighting. A smaller 3 MOA dot offers refined aiming on medium-range targets without obscuring the target, while a 5 MOA red dot provides a larger, fast-tracking reference for quick close-quarters shots. Tubeless reflector designs with wide objective windows also assist in acquiring the dot rapidly across changing shooting positions. Check the manufacturer listing to confirm the exact MOA size and reticle pattern before mounting.

Will factory Glock iron sights co-witness with a mounted red dot?

Standard factory iron sights rarely co-witness because the added height of an MOS adapter plate and the optic housing sits above the original sight line. To see your iron sights through the lower portion of the optic window, you will need taller suppressor-height sights. Installing taller iron sights for cowitness with red dot sights preserves a dependable backup aiming system if your battery dies or the glass becomes obscured. Measure your optic deck height and plate thickness to ensure your replacement iron sights stand tall enough to clear the base.