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Primary Arms GLx MD-21S Micro Reflex Red Dot Sight 1x ACSS-CQB Red Dot Reticle Black

Primary Arms GLx MD-21S Micro Reflex Red Dot Sight 1x ACSS-CQB Red Dot Reticle Black

Primary Arms · Sights & Optics

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Best price

$180.21at MidwayUSA

In stock Sale checked Nov 10, 2026

Buy at MidwayUSA

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Where to buy

StorePriceAvailabilityBuyAdd to build
MidwayUSA Best price $180.21Salechecked Nov 10, 2026 In stock Buy at MidwayUSA
OpticsPlanet $229.99Salechecked Nov 10, 2026 In stock Buy at OpticsPlanet
Kentucky Gun Co $259.99checked Nov 10, 2026 In stock Buy at Kentucky Gun Co

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Lowest in-stock price in the last 30 days: $180.21 at MidwayUSA. Dashed line = out of stock. Tracking since Nov 8, 2026.

Show the prices as a table
StoreLatestLowestHighest
Kentucky Gun Co$259.99$259.99$259.99
MidwayUSA$180.21$180.21$180.21
OpticsPlanet$229.99$229.99$229.99

Since Nov 8, 2026.

About this part

The Primary Arms GLx MD-21S Micro Reflex Red Dot Sight 1x ACSS-CQB Red Dot Reticle Black is a red dot sight from Primary Arms. It's sold by 3 stores (3 in stock), from $180.21 to $259.99. The lowest in-stock price in the last 30 days was $180.21 at MidwayUSA.

Specifications

Manufacturer
Primary Arms
Color
Black
Type
Red Dot
Illuminated
Yes
Magnification
1x
Magnification class
1x (non-magnified)

From the manufacturer

Primary Arms GLx MD-21S Micro Reflex Red Dot Sight 1x ACSS-CQB Red Dot Reticle Black. This red dot features an advanced solar failsafe system supplementing your power supply to ensure the optic operates with maximum runtime. In addition this optic features fully upgraded lenses a new ultra-bright emitter intuitive push-button controls and our heavy-duty mount system. Specifications for Primary Arms GLx MD-21S 1x Micro Reflex Red Dot Sight: Manufacturer: Primary Arms Color: Black Magnification: 1 x Illumination Color: Red Battery Type: Lithium Metal CR2032 Red Dot Sights-Footprint: Not Applicable Condition: New Features of Primary Arms GLx MD-21S 1x Micro Reflex Red Dot Sight Autolive Multi-coated Lens Multi-reticle select Push-button controls Red dot bright Shockproof Solar backup Waterproof Package Contents: Primary Arms GLx MD-21S 1x Micro Reflex Red Dot Sight Primary Arms 810026: GLx MD-21S Micro Reflex Red Dot Sight 1x ACSS-CQB Red Dot Reticle Black

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$180.21 at MidwayUSA
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