The Midwest Industries MK2 Red Dot Mount for RMR, Cowitness is a optic mount that fits RMR.
Engineered for precision and built to last, the MK2 Series delivers unmatched reliability and style. Designed for shooters who demand the best from their red dot or reflex sights, MK2 Optic Mounts combine next-generation performance with sleek aesthetics—enhancing both function and form.
The mount holds your optic at the right height and position and is what keeps your zero. Check the footprint, height and attachment type against your optic and rifle, and torque the fasteners to the manufacturer's figures when you fit it.
How It Compares
Also compare the MK2 Optic Mount for RMR, 1/3 Cowitness, MK2 Optic Mount for Aimpoint ACRO, 1/3 Cowitness and MK2 Optic Mount for Aimpoint ACRO, Cowitness. Browse all red Dot & Optic Mounts and the full Midwest Industries range. New to this? Read our guide: Co-Witnessing Iron Sights with a Red Dot.
Ideal For
- Red dots with the RMR footprint
- AR style rifles where the dot should sit at cowitness height with iron sights
- Owners who want the MI optic mount tool included
Key Features
- Includes Midwest Industries Optic Mount Tool for easy optic adjustment and installation
- Available in Low, Lower 1/3 Co-witness, Absolute Co-witness, and NV 2.26” height configurations
- Patterns Available – RMR, Acro, T2, or Micro dot clones
Compatibility & Fitment
Fits RMR. Not sure it fits? Contact us before you order and we will check for you.
Technical Specifications
Brand | Midwest Industries |
Type | Optic Mount |
Model | MK2 Receiver Extension |
Finish | Anodized |
Color | Black |
MPN | MI-MK2-RMRCO |
UPC | 812102036043 |
US Shipping & Support
Genuine Midwest Industries, 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 MK2 Optic Mount fit?
Fits RMR.
Is this a genuine Midwest Industries product?
Yes. It is a new, genuine Midwest Industries 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.