+1-800-504-5897 Live Chat Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight 810045, Color: Black, Battery Type: CR2032, Lithium Metal, 11% Off w/ Free S&H

Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
1 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
2 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
3 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
4 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
5 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
6 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
7 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
8 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
9 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045
10 of 10 images
Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045

Tap Tap to Zoom

Government Export Restriction Government Export Restriction
Questions & Answers
Does this sight fit a sig sauer p365?

No, it’s an RMR footprint. The P365 uses an RMSc footprint.

by Jason John, Verified Owner, December 20, 2025
Does this have a shake awake feature?

Yes, it has Autolive which is basically the same thing.

by EthanSucks, Verified Owner, November 17, 2025
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Great lil red dot by Norman, Verified Owner, October 22, 2025
Nice red dot mounted it on top of my prism optic and it holds zero well.
2/2 found this helpful
Helpful Positive Review
Great Optic! by Roadblock, Verified Owner, October 27, 2025
I placed the Primary Arms SLx RS-10R red dot optic on my Gen 5 Glock 20 10mm. Optic was easy to install, zero, and is very clear. I have astigmatism and this dot is very clear for me. I've only fired about 100 rounds with it so far but it's maintaini...
Read More...
2/2 found this helpful
Helpful Positive Review
Perfect for my Ruger Mark IV by Ed the Jackle, Verified Owner, October 30, 2025
Unlike many red dot sights, this sight is delivered with a Picatinny rail adapter pre installed yet low profile enough for the pistol. Sight has easy to use elevation and windage adjustments.
1/1 found this helpful
Helpful Positive Review
Very Good Dot by GeneralKenobiWins, Verified Owner, August 5, 2025
This is an amazing RMR footprint dot. I was initially wary of ordering this since the original RS10 was not received well and had known refresh rate issues. Primary Arms resolved that entirely with this model. The fitment into and RMR/507C optics foo...
Read More...
5/5 found this helpful
Helpful Positive Review
another solid red dot by primary arms by john H, Verified Owner, September 22, 2025
This is my second pistol red dot from primary arms. Works great. Fits well on my slide, nice and snug.
3/3 found this helpful
Most Recent Reviews
Very solid sight by gsyp, Verified Owner, April 2, 2026
I threw it on my ap5 and it holds zero perfect, the red dot is crystal clear, easy to function. For its price I'd definitely grab one
Read All 10 Reviews
Color:
Black
Reticle:
3 MOA Dot
Illumination Color:
Red
Red Dot Sights-Footprint:
RMR

Code: 29R-RD-PASLX-810045

MPN: 810045

UPC: 818500019831

List: $234.99Save 11%
$209.99

Product Info for Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight

The SLx RS-10R is an upgraded version of the original RS-10, now featuring compatibility with the popular RMR pattern footprint. The optic also switches to a side-loaded CR1632 battery, while maintaining the compact, reliable design that our users expect.image

WARNING: California`s Proposition 65

Specifications for Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight:

Manufacturer: Primary Arms
Color: Black
Magnification: 1 x
Objective Lens Diameter: 23 mm
Reticle: 3 MOA Dot
Illumination Type: LED
Illumination Color: Red
Adjustment Click Value: 1 MOA
Battery Type: Lithium Metal, CR2032
Weight: 1.1 oz
Red Dot Sights-Footprint: RMR

Package Contents:

  • Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight
  • Battery

Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight Orderable Models

List of Orderable Models

  • Primary Arms SLx RS-10R 1x23mm Mini Reflex Red Dot Sight, 3 MOA Dot Reticle, Black, 810045 , MPN: 810045 , UPC: 818500019831 , Code: 29R-RD-PASLX-810045
Compare (0)
1 item has been added
Add at least two items to compare