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Primary Arms

Primary Arms SLx MD-21 Microdot Red Dot Sight 2 MOA Aimpoint Micro Footprint, Black

MSRP: $209.99
$179.99
You save $30.00
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  • Authorized dealer
  • 30-day returns
  • US shipping

Questions about fit or mounting? Call +1 570-262-5566

Key specifications

Magnification
1X
Objective Diameter
21mm
Reticle
Red Dot
Finish
Anodized
Type
Red Dot Sight
Full specifications and details

Delivery & returns

  • Ships within the United States only.
  • Orders typically processed within 3–5 business days.
  • Unused items can be returned within 30 days of delivery.

Product details

SKU:
810027
UPC:
818500018254

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.