The Geissele Lower Third Co-Witness Micro Red Dot Mount, Desert Dirt Color (DDC) (Geissele part no. 05-469S) is a low-profile mount from Geissele Automatics built for Micro-pattern red dot sights, sized to sets the dot lower, in the bottom third of the window for a lower-third co-witness with the rifle’s flip-up iron sights. It’s a common choice for a duty or competition AR that runs a compact red dot alongside backup irons, giving a consistent, repeatable relationship between the two sighting systems.

Key Specifications

• Built for Micro-pattern red dot sights.
• Sets a lower third co-witness height relative to flip-up iron sights.
• Finished in Desert Dirt Color (DDC) to match common AR-platform finishes.

Frequently Asked Questions

What’s the difference between Absolute and Lower Third co-witness? Absolute co-witness lines the dot up exactly with the iron sights; Lower Third co-witness sets the dot lower, in the bottom third of the sight window, keeping the top of the window clear.

What red dots fit this mount? Red dots built to the industry-standard Micro footprint, a pattern shared across several major optic brands.

Buy the Geissele Lower Third Co-Witness Micro Red Dot Mount, Desert Dirt Color (DDC)

Order the Geissele Lower Third Co-Witness Micro Red Dot Mount, Desert Dirt Color (DDC) from our Lubbock, Texas gun shop for fast, insured shipping—a consistent lower third-height mount for a Micro-pattern red dot. Browse more red dot mounts from our Lubbock, Texas shop.