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Questions & Answers
What flip caps fit this optic? Expert Answer

We currently do not have a set of flip caps for the Primary Arms SLx Advanced Gen II Push Button Microdot Red Dot Sight.

by Hunter, Gear Expert, October 31, 2022
Will this fit a Daniel defense DDM4 PDW?? Expert Answer

The Primary Arms SLx Advanced Gen II Push Button Microdot is compatible with the DDM4 PDW.

by Ethan, Gear Expert, October 27, 2025
Customer Reviews
Helpful Positive Review
Good optic by Davis, June 21, 2023
I have this optic mounted to the carry handle of a 9mm Colt AR, and it functions perfectly fine for what I need. The low profile of this optic is perfect for mounting to carry handles without excessive height-over-bore
1/1 found this helpful
Helpful Positive Review
I bought this red dot about 6 months ago and put it on a cz scorpion evo pistol and i love it. It hold zero so far and ive put it through its paces winter snow below zero shooting it dunked it in water i love it im gonna buy another one here soon and...
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6/6 found this helpful
Helpful Positive Review
Excellent for the money by DB, August 16, 2022
These are excellent for the money I have three of these so far. They are basically a holosun 403gu built to primary arms specifications. It's a nice improvement on the regular advanced micro they used to sell. These things hold up fairly well to qui...
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2/2 found this helpful
Helpful Positive Review
Great little red dot by Eugene Moses Kalashnikov, Verified Owner, March 16, 2022
For the price and class, I think this is one of the better red dot options on the market. I really like the brightness adjustment buttons because I hate having a giant wheel hanging off the side of my red dots. The buttons keep it low profile. The...
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3/3 found this helpful
Helpful Positive Review
Slx Advanced by Bullseye, May 22, 2022
I Like these dots, I have on on a 1911 with a rail and it holds zero.These dots are clear as a bell , great glass, and for the money they beat everything else hands down. While Aimpoint is the gold standard and worth the money you can 3 of these for ...
Read More...
1/1 found this helpful
Most Recent Reviews
Primary Arms SLX Red Dot by Vin, Verified Owner, November 25, 2025
Like all there products excellent optics clear red dot easy to turn knob. I highly recommend all there products!
Read All 14 Reviews
Color:
Black
Finish:
Hardcoat Anodized
Fabric/Material:
Aluminum
Magnification:
1 x
Objective Lens Diameter:
20 mm
Objective Window Size:
20 mm
Reticle:
2 MOA Dot
Illumination Color:
Red
Brightness Settings:
12
Adjustment Type:
MOA
Adjustment Click Value:
0.5 MOA
Emitter Type:
Enclosed
Battery Type:
Lithium
Battery Quantity:
1
Battery Life:
50000 hours
Weather Resistance:
Dustproof
Water Resistance Level:
IP67
Shockproof:
Yes
Fogproof:
Yes
Gun Make:
AR Platform
Gun Model:
AR-15
Length:
2.35 in
Weight:
3.8 oz
Condition:
Used
Condition Quality:
Fair
Condition Details:
Installed/Mounted
Package Type:
Box
Magnification Type:
Fixed
Quantity:
1
Red Dot Sights-Footprint:
Not Applicable
Attachment Type:
Picatinny
Mount Type:
Picatinny

Code: 29R-RD-RTGV-810023-EDEMO3

MPN: 810023-EDEMO3

Product No Longer Available

Product Info for Primary Arms SLx Advanced Push Button Microdot 1x20mm 2 MOA Red Dot Sight

The Primary Arms SLx Advanced Gen II Microdot Sight is lightweight and compact, creating a highly portable and lightweight optic for any application, including self-defense and breaching situations. These Red Dot Sights from Primary Arms use fully multi-coated ARD nitride lenses to ensure this red dot optic is as efficient as possible. On the top of the Primary Arms SLx Advanced Gen II Waterproof Red Dot Sight, you'll find 11 push button illumination settings for the daylight bright setting to 2 for night vision compatibility. It has a 50,000 hour battery life, making this a highly efficient optic that will last a very long time. Plus, the parallax-free design ensures you always get your shot and not shift focus due to parallax variations. Pick up the Primary Arms SLx Advanced Gen II Red Dot Sight w/ AutoLive Activation for a lightweight optic that will bring you deadly accurate shots, every time.image

Features of Primary Arms SLx Advanced Gen II Push Button Microdot Red Dot Sight

  • AutoLiveTM red dot illumination
  • 50,0000 hour battery life
  • Compatible with industry standard micro red dot bases
  • 11 push button illumination settings from daylight bright to 2 for night vision use
  • Super bright high efficiency LED
  • Integrated turret adjustment tab on removable turret caps to adjust windage and elevation
  • Clean sight picture with almost no feedback or reflection even at the highest brightness settings
  • Zero parallax lens
  • ARD accommodations
  • Fully nitrogen purged, IP67 waterproof and dust proof
  • Hardcoat anodized
  • Lifetime warranty

Package Contents:

  • Primary Arms SLx Advanced Push Button Microdot Red Dot Sight

Red Dot Accessories

132 / 32
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Gun Parts and Accessories

129 / 29
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Gun Triggers

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Magazine and Accessories

116 / 16
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Gunsmithing Tools & Accessories

116 / 16
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Gun Sights

114 / 14
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Gun Stocks

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Related Products to Primary Arms SLx Advanced Push Button Microdot 1x20mm 2 MOA Red Dot Sight

Primary Arms SLx Advanced Push Button Microdot 1x20mm 2 MOA Red Dot Sight Unavailable & Discontinued Models

List of Unorderable Models

  • USED Primary Arms SLx Series Red Dot Sight 1x20mm Lens 1x, 2 MOA Red Dot, Black, 810023, EDEMO3, Used, Condition Fair , MPN: 810023-EDEMO3 , Code: 29R-RD-RTGV-810023-EDEMO3
  • DEMO, Primary Arms SLx Series Red Dot Sight 20mm Lens, 2 MOA Red Dot, Black, 810023 , MPN: 810023-DEMO , Code: 29R-RD-RTGV-810023-DEMO
  • Primary Arms SLx Series Red Dot Sight 1x20mm Lens 1x, 2 MOA Red Dot, Black, 810023 , MPN: 810023 , UPC: 818500015512 , Code: 29R-RD-RTGV-810023
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Last updated 2026-06-23 UTC.