The Primary Arms SLx MD-21 Microdot Red Dot Sight 2 MOA Aimpoint Micro Footprint, Black is a red dot sight for Picatinny.
A red dot sight lets you shoot with both eyes open and puts the aiming point on the same plane as the target, which makes target acquisition fast. Check the footprint and height suit your mount and firearm.
How It Compares
Also compare the GLx MD-21S Red Dot for Aimpoint Micro Footprint, SLx MD-25 Microdot Red Dot Sight for 1913 Picatinny Rail and Mrsc Gen 2 Micro Reflex Sight, 1x21mm, 3 MOA Red Dot. Browse all rifle Dot Sights and the full Primary Arms range. New to this? Read our guide: Co-Witnessing Iron Sights with a Red Dot.
Ideal For
- Rifles with a Picatinny rail that need a compact red dot
- Shooters who want a precise 2 MOA dot
- Night vision users, as the sight is night vision compatible
Key Features
- 21mm Objective
- 2 MOA Red Dot
- Aimpoint Micro Footprint
- Mounts to Picatinny
- Anodized Finish
Compatibility & Fitment
Picatinny. Not sure it fits? Contact us before you order and we will check for you.
Technical Specifications
Brand | Primary Arms |
Type | Red Dot Sight |
Model | Microdot |
Power | 1X |
Objective | 21mm |
Reticle | Red Dot |
Size | 2MOA |
Description | Night Vision Compatible |
MOA | 2 MOA |
Finish | Anodized |
Color | Black |
MPN | 810027 |
UPC | 818500018254 |
US Shipping & Support
Genuine Primary Arms, brand new and covered by the manufacturer's warranty. Shipping is free on US orders of $99 or more, and smaller orders ship from $6.95. Questions about fit, mounting or which option suits your setup? Our team is glad to help before and after your purchase.
Frequently Asked Questions
What does the SLx MD-21 Microdot Mounts to Picatinny fit?
Picatinny.
Is this a genuine Primary Arms product?
Yes. It is a new, genuine Primary Arms product sourced through an authorized US distributor.
How much is shipping?
Shipping is free on US orders of $99 or more. Orders under $99 ship at a flat rate from $6.95 to $9.95, depending on the order total.