Primary Arms GLx MD-21S Push Button 21mm Microdot with AutoLive - 2 MOA Red Dot Reticle
All Primary Arms optics2 options
- Standard, this page
- Blemout of stock
Click to see full view
Primary Arms
Overview
The Primary Arms GLx MD-21S Push Button 21mm Microdot with AutoLive - 2 MOA Red Dot Reticle is a optic. Compare prices from multiple merchants and find the best deal.
Specifications
Primary Arms GLx MD-21S Push Button 21mm Microdot with AutoLive - 2 MOA Red Dot Reticle
2 options
- Standard, this page
- Blemout of stock
Build history on GunPartPicker
Builders on GunPartPicker first added the Primary Arms GLx MD-21S Push Button 21mm Microdot with AutoLive - 2 MOA Red Dot Reticle to a build in July 2026.
It was in stock most days in September 2026, but today none of the 2 retailers we track has it in stock right now. The best price crept up from $169.99 to $199.99 over September 2026. Listed prices start at $199.99 at MidwayUSA for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which optic to pick?
We ranked every optic by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Red Dot & Optic Guide →Check it against the live catalog:
Frequently Built With
Popular alongside optics on GunPartPicker
Aero Precision M4E1 Complete Lower Receiver W/MOE SL Grip & SL-S Carbine Stock
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Bravo Company M16 Bolt Carrier Group Black
No reviews yet. Be the first to review this product!