Quick Summary
The RALSPEC 11mm dovetail to 20mm Picatinny Weaver cantilevered scope rail adapter is a scope rail riser base mount for air rifle use. It converts an 11mm dovetail rail base so you can fit 20mm scope mounts and accessories, while also raising the existing rail height by 13mm.
Who It Is Best For
This is suited to shooters who want to adapt an 11mm dovetail setup for 20mm scope mounts and accessories, or who need a raised rail position for a more workable optic setup. It will also suit buyers looking for a cantilevered rail style that moves the scope forwards.
What To Know Before You Buy
The top rail has 10 slots and measures 20mm wide by 125mm long, with a cantilever of 35mm. It is made from T6061 aluminium alloy and finished in a hardcoat anodised matte black.
Pros: Converts an 11mm dovetail base to 20mm, adds 13mm of height, and offers a cantilevered rail with 10 slots.
Cons: Please check the diagram in the product images for dimensions and make sure the selected rail setup suits your scope and accessories before ordering.
Common Buyer Questions
What does this rail adapter do?
It converts an 11mm dovetail rail base so you can fit 20mm scope mounts and accessories.
Does it raise the scope position?
Yes, it elevates the existing rail height by 13mm.
How long is the top rail?
The top rail measures 125mm long and has 10 slots.
What material is it made from?
It is manufactured from T6061 aluminium alloy.
What should I check before ordering?
Check the diagram in the product images and make sure the rail setup suits your scope mounts and accessories.
Key Details
| Detail | What it means in use |
|---|---|
| 11mm to 20mm rail converter | Adapts an 11mm dovetail rail base for 20mm scope mounts and accessories |
| 13mm rail height increase | Raises the existing rail position |
| 10 slot top rail | Provides fitting positions for compatible accessories |
| 20mm wide by 125mm long top rail | Gives a defined rail size for setup planning |
| 35mm cantilever | Allows the riflescope to be pushed forwards |
| T6061 aluminium alloy | Lightweight and durable construction |
| Hardcoat anodised matte black finish | Gives a matte black appearance |
| Weight 47g | Useful for checking overall setup weight |
Final Buying View
The RALSPEC rail adapter is a practical choice if you need to move from an 11mm dovetail base to 20mm scope mounts and accessories, while also gaining extra height and a forward cantilevered position. It keeps the setup clear and specific, with the key dimensions stated for easier planning. Check the fit and dimensions before ordering, then choose it if those measurements suit your setup.
