Quick Summary
The RALSPEC 3 Slot 20mm Weaver Picatinny QD rail riser mount is a low-profile rail adapter for raising an existing sighting or accessory rail. It uses a quick-detach thumb screw style fitting and provides a 3 slot top rail.
The mount raises the existing rail height by 12.5 mm and is described as a see-through style adapter. It is finished in anodised matte black and is made from aircraft grade aluminium.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | 3 slot rail riser mount for a 20 mm Weaver Picatinny setup. |
| Height increase | Raises the existing rail height by 12.5 mm / 1/2", which affects the final sight or accessory position. |
| Quick release | Thumb screw style fitting for quick install, re-positioning and removal. |
| Material | Aircraft grade aluminium. |
| Finish | Anodised matte black finish. |
| Weight | 35 g. |
| Included items | 3 slot rail riser only. |
What to Compare Before Buying
- Rail size: This model is for a 20 mm Weaver Picatinny setup. Check that your rail matches before choosing an offer.
- Height increase: The mount raises the rail by 12.5 mm / 1/2". Compare that with the clearance you want for your sight or accessory.
- Included contents: Only the 3 slot rail riser is included. Make sure you already have the parts you need for your setup.
- Fit and positioning: The 3 slot top rail gives a compact mounting area, so check that the available space suits the accessory you plan to fit.
What Is Included
- 1 x 3 slot rail riser mount
Before You Decide
Check the 20 mm rail format, the 12.5 mm height increase and the 3 slot top rail before choosing an offer. If you need more than a riser mount, confirm the exact contents first.





