The Trijicon RM33 is a low Picatinny rail mount for RMR and SRO red dot sights, putting a pistol-class optic on a rifle or carbine at a low, co-witness-friendly height. Machined from durable aluminium for a secure, repeatable platform.
How It Compares
Need a taller absolute-co-witness height? See the RM34 (tall). Mounting on an ACOG? The RM35. Want the optic and mount together? See the RMR Type 2 + RM33 bundle. Browse all optic mounts, the Trijicon range, and RMR-footprint optics.
Ideal For
- RMR/SRO optics on rifles & carbines
- Low co-witness mounting
- Duty and range use
Key Features
- Low Picatinny mount for RMR / SRO
- Durable aluminium; secure lockup
- Low-profile co-witness height
Technical Specifications
| Fits |
Trijicon RMR / SRO (RMR footprint) |
| Mount |
Picatinny (low) |
| Material |
Aluminium |
| MPN |
AC32004 |
What's Included
- Trijicon RM33 mount, mounting hardware
UK Delivery & Support
UK-stocked and dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based support and Trijicon's warranty.
Frequently Asked Questions
Which optics fit?
Trijicon RMR and SRO sights (RMR footprint).
RM33 or RM34?
The RM33 is low-profile; the RM34 is taller for an absolute co-witness with iron sights.
What rail does it use?
Standard Picatinny.
