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Questions & Answers
Will the 39mm spacer, LRP mount work with the Unity Tactical Aimpoint Magnifier Flip-To-Center Mount, Black, FST-MAPB? Manufacturer Answer

Unfortunately not,

The unity FAST magnifier flip mounts are made to work with the FAST optic mount as their heights (2.26") is higher than the 39mm mounts.

by Aimpoint Inc., Manufacturer, September 10, 2025
What is the lens size of the Aimpoint CompM5 in mm? I don’t see this anywhere in the specs. The dimensions only give the entire optic. Expert Answer

The Aimpoint CompM5 Red Dot Reflex Sight has an 18mm clear aperture (0.71").

by Ethan, Gear Expert, November 18, 2022
Customer Reviews
Expert Review
Almost perfect by Matt S., Gear Expert, January 2, 2018
Another solid Aimpoint optic. Nice union of the Comp M4 and the Micro series. Uses micro mounts, runs on AAA with 50K hours of battery life, and includes flip caps. I have used this on a shotgun, 9mm AR, and 5.56 AR with no issues Things I would ...
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15/15 found this helpful
Helpful Positive Review Aimpoint Comp M5 by Athenas Master, March 7, 2019
Aimpoint Quality that is Second to None. Unbelievable Clarity and Crispness. Built extremely rugged. Should take abuse for many years to come. Battery life is phenomenal. This is definitely the Cream of the Crop.
4/4 found this helpful
Helpful Positive Review Great Product by Conrado Curiel, Verified Owner, March 9, 2018
Great product!!! I’m really glad I made the decision to upgrade to it from the compm4 it’s super light weight and a great optic to my rifle build. Never been disappointed by aimpoint it looks like I’ll be sticking to this optics due to its performanc...
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2/2 found this helpful
Helpful Positive Review Great upgrade by WKU, Verified Owner, January 24, 2018
Although not smaller than the Micro T-2, the CompM5 does takes economics into account with the battery size. Having used a T-2 in the past as well as the Aimpoint PRO, this blends the two perfectly to make an easy-to-use, out-of-the-box improvement f...
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3/3 found this helpful
Helpful Positive Review Aimpoint CompM5 by Tyler Dunlap, December 23, 2017
Great clarity, dot is Crystal clear. Came with a low mount, but since it is compatible with Micro mounts, used a Midwest Industries QD mount. It is a very light optic and the ability to use AAA batteries opens the optic up to a wider availability of ...
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3/3 found this helpful
Helpful Positive Review Aimpoint CompM5 by AUSTIN, January 6, 2020
I used to be an Eotech guy until I swapped out the CR123A battery one too many times. Then one day I decided to give an Aimpoint PRO a try because I heard the battery life was something stupid long (30,000 hours) with their captured alien technology...
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12/13 found this helpful
Read All 18 Reviews
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Product Info for Aimpoint CompM5 1x18mm Red Dot Sight

Built for law enforcement and military applications, the Aimpoint CompM5 2MOA Red Dot Sight provides greater situational awareness and rapid target acquisition while allowing you to shoot with both eyes open. These Red Dot Sights by Aimpoint have superior light transmission with 4 night vision and 6 daylight settings for better accuracy in daytime and night, and the 2 MOA red dot is powered by ACET technology for over 50,000 hours of constant operation. Advanced optical lenses are held in a durable and lightweight housing, and the Aimpoint CompM5 ACET Red Dot Sight is keyed into the mount base for the absorption of recoil. When you need to accurately hit your target while maintaining awareness of your surroundings, you need the Aimpoint CompM5 Mechanical Switch Red Dot Sight.image

Specifications for Aimpoint CompM5 1x18mm Red Dot Sight:

Manufacturer: Aimpoint
Color: Black
Finish: Semi Matte, Anodized
Fabric/Material: Aluminum
Magnification: 1 x
Objective Lens Diameter: 18 mm
Reticle: 2 MOA Dot
Illumination Type: LED
Illumination Color: Red
Brightness Settings: 10
Eye Relief: Unlimited
Emitter Type: Enclosed
Parallax: Free
Optical Coating: Multi-Coated
Light Transmission: 70 %
Battery Type: Alkaline, AAA
Battery Quantity: 1
Battery Life: 50000 hours
Operating Temperature: -45 - 71 Celsius, -49 - 160 Fahrenheit
Water Resistance Level: Waterproof
Water Resistant Mark: 150 ft
Gun Make: Universal
Gun Model: Universal
Length: 3.4 in
Width: 1.6 in
Height: 2.8 in
Weight: 5.2 oz
Condition: New
Package Type: Box
Magnification Type: Fixed
Lens Finish: Multi-Layer Anti-Reflex
Quantity: 1
Switch Type: Rotary Switch
Red Dot Sights-Footprint: Not Applicable
Mount Type: Picatinny
Attachment Type: Picatinny
Wavelength: 650 nm

Features of Aimpoint CompM5 1x18mm Red Dot Sight:

  • 2 MOA red dot for precision and fast target acquisition  
  • Battery life: 50,000 hours (over 5 years) of constant operation with one battery on setting 7 
  • Battery type: AAA battery (included) 
  • High battery compartment 
  • Flip-up lens covers – front is solid, and rear is transparent – allowing the user to shoot with both eyes open and lens caps closed in an emergency situation 
  • Advanced optical lenses for enhanced light transmission and ultimate dot clarity 
  • Reinforced protection of the turrets for even greater ruggedness 
  • Hard anodized non-reflective surface 
  • 10 brightness settings: 4 night vision compatible settings and 6 daylight settings 
  • 1X (non-magnifying) operationally parallax free optic 
  • Submersible to 150 feet (45 meters) 
  • Temperature span -49°F to +160°F 
  • Weight 5.2 oz / 148 g (sight only)

Package Contents:

  • Aimpoint CompM5 1x18mm Red Dot Sight
  • Flip-up Lens Covers
  • AAA Battery
  • Aimpoint Tool

Aimpoint CompM5 1x18mm Red Dot Sight Orderable Models

List of Orderable Models

Aimpoint CompM5 Red Dot Reflex Sight 1x18mm, 2 MOA Dot Reticle, Black, Semi Matte, Anodized, 200320 , MPN: 200320 , UPC: 7350004385546 , Code: AI-RD-COMPM5-200320
Aimpoint CompM5 Red Dot Reflex Sight 1x18mm, 2 MOA Dot Reticle, w/ Picatinny Mount, Black, Semi Matte, Anodized, 200350 , MPN: 200350 , UPC: 7350004385553 , Code: AI-RD-COMPM5-200350
Aimpoint CompM5 Red Dot Reflex Sight 1x18mm, 2 MOA Dot Reticle, w/ LRP Mount & Spacer, Black, Semi Matte, Anodized, 200386 , MPN: 200386 , UPC: 7350004385584 , Code: AI-RD-COMPM5-200386

Aimpoint CompM5 1x18mm Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

DEMO, Aimpoint CompM5 Red Dot Reflex Sight, 2 MOA Dot Reticle, Black, Semi Matte, Anodized, 200320 , MPN: 200320-DEMO , Code: AI-RD-COMPM5-200320-DEMO
DEMO, Aimpoint CompM5 Red Dot Reflex Sight, 2 MOA Dot Reticle, w/ Picatinny Mount, Black, Semi Matte, Anodized, 200350 , MPN: 200350-DEMO , Code: AI-RD-COMPM5-200350-DEMO
DEMO, Aimpoint CompM5 Red Dot Reflex Sight, 2 MOA Dot Reticle, w/ LRP Mount & Spacer, Black, Semi Matte, Anodized, 200386 , MPN: 200386-DEMO , Code: AI-RD-COMPM5-200386-DEMO
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