Trijicon MRO Lightweight QR Co-Witness Mount American Defense
American Defense Mfg.
$112.69
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American Defense Mfg.
Trijicon MRO Lightweight QR Co-Witness Mount American Defense
The American Defense Mfg. AD-MRO Lightweight Quick-Release Co-Witness Mount is a precision-engineered mounting solution purpose-built for the Trijicon MRO, delivering a secure, repeatable zero with a slim profile that enhances situational awareness on any AR-platform rifle.
- 20% lighter than traditional mounts — precision machined from 6061-T6 aluminum
- Hard coat T3 Mil-Spec anodize finish for lasting corrosion and wear resistance
- Patented QD Auto Lock Lever for tool-free, one-handed on/off mounting
- Compatible with both in-spec and out-of-spec Picatinny rail systems
- Lever configurable to lock front or rear to suit your preferred setup
- Co-witness height aligns MRO reticle with standard AR-15 iron sights
Who This Is For
The AD-MRO LW QR Co-Witness Mount is ideal for AR-15 and M4-platform shooters who run a Trijicon MRO and demand a lightweight, rock-solid mount that can be removed and re-installed without sacrificing zero. It suits competitive shooters, home defenders, and duty-oriented users who value speed, reliability, and a lower, unobstructed sight picture.
Specifications
| Brand | American Defense Mfg. |
|---|---|
| Model | AD-MRO Lightweight QR Co-Witness |
| Compatible Optic | Trijicon MRO (Miniature Rifle Optic) |
| Mount Height | Co-Witness (Lower 1/3 available separately) |
| Material | 6061-T6 Aluminum |
| Finish | Hard Coat T3 Mil-Spec Anodize |
| Rail Compatibility | Picatinny MIL-STD-1913 (in-spec & out-of-spec) |
| Attachment System | Patented QD Auto Lock Lever |
| Tool Requirement | None (finger or flat-blade screwdriver) |
| Weight Savings | ~20% vs. standard mounts |
| Country of Origin | USA |
Frequently Asked Questions
Will this mount return to zero after being removed and reinstalled?
Yes. The Patented QD Auto Lock Lever system is engineered for repeatable, positive return-to-zero performance. The superior clamping surface ensures maximum rail engagement each time the mount is locked down, so your MRO stays on point even after repeated removal and reinstallation.
Does this mount work with lower-third co-witness or absolute co-witness setups?
This specific model is configured for absolute co-witness, aligning the center of the MRO reticle directly with standard-height AR-15 iron sights. American Defense Mfg. also offers a lower-third co-witness variant if you prefer the irons to appear at the bottom of the optic's field of view.
Can I install and adjust this mount without any special tools?
Absolutely. The QD Auto Lock Lever requires no proprietary tools — you can adjust the clamp tension and configure the lever direction with just your finger or a common flat-blade screwdriver. This makes it fast and practical to set up in the field without a dedicated toolkit.
