RS43 0.43″ Cantilever Mount Riser
The RS43 0.43″ Cantilever Mount Riser is designed to work with the QDS150 and QDM150 quick-detach mounts, providing additional optic height and a horizontal cantilever offset.
The RS43 raises the optic centerline by 0.43 inches, bringing the total centerline height to 1.93 inches when paired with a QDS150 or QDM150.
Its 2-inch cantilever offset provides additional flexibility when configuring compatible optics and mounting systems.
0.43″ Rise – 1.93″ Total Centerline Height
When combined with a compatible QDS150 or QDM150, the RS43 adds 0.43 inches of height, resulting in a total optic centerline height of 1.93 inches.
This raised mounting position can be useful for configurations where additional optic height is required.
2″ Cantilever Offset
The RS43 incorporates a 2-inch horizontal cantilever offset, extending the optic mounting position forward from the underlying mount.
This provides additional flexibility when positioning compatible optics within a mounting configuration.
Tested Zero Retention
The RS43 has been tested to remain within 0.25 mil after 1,000 impact cycles.
This testing provides a specified benchmark for the riser’s zero-retention performance when used as part of a compatible mounting system.
Aircraft-Grade Aluminum Construction
The RS43 is manufactured from aircraft-grade aluminum alloy and features a matte black hard-anodized finish.
The aluminum construction provides a durable mounting platform while the hard-anodized finish adds protection against everyday wear.
Recommended Configurations
The RS43 can be used in several compatible mounting configurations:
- HYDRA + QDM150 + RS43 — configured for use as a clip-on with a 1.93″ LPVO.
- NVMD + QDS150 + RS43 — raises the mounting position for a red dot at 1.93″.
- Digital Scope + QDS150 + RS43 — provides a higher mounting position for compatible digital scopes.
Key Features
- RS43 0.43″ Cantilever Mount Riser
- Adds 0.43″ of optic height
- Total centerline height of 1.93″ with QDS150/QDM150
- 2″ horizontal cantilever offset
- Compatible with QDS150
- Compatible with QDM150
- Tested within 0.25 mil after 1,000 impact cycles
- Aircraft-grade aluminum alloy
- Matte black finish
- Hard-anodized construction
- Designed for flexible optic mounting configurations
RS43 Specifications
| Specification | Details |
|---|---|
| Model | RS43 |
| Rise Height | 0.43″ |
| Total Centerline Height | 1.93″ with QDS150/QDM150 |
| Horizontal Offset | 2″ cantilever |
| Compatible With | QDS150 and QDM150 |
| Zero Retention | Within 0.25 mil after 1,000 impact cycles |
| Material | Aircraft-Grade Aluminum Alloy |
| Colour / Finish | Matte Black / Hard-Anodization |
Why Choose the RS43?
The RS43 0.43″ Cantilever Mount Riser provides a straightforward way to increase optic height while adding a 2-inch horizontal offset to compatible QDS150 and QDM150 mounting systems.
With its 1.93-inch total centerline height, aircraft-grade aluminum construction and tested zero retention within 0.25 mil after 1,000 impact cycles, the RS43 is a versatile accessory for compatible DNT optic mounting configurations.

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