Quick Summary
The Paike 11mm Dovetail to 21mm Picatinny Rail Convert Adapter is a low profile scope mount converter adaptor with a 155mm 6.1 inch rail extension. It is designed to fit 11mm dovetail mounts and includes a base mount 3/8 inch to 7/8 inch converter adapter, giving you more flexible optics placement.
Who It Is Best For
This is suited to buyers who need to adapt an 11mm dovetail setup to a 21mm Picatinny rail format and want a longer mounting area for optics or accessories. It may suit anyone looking for a compact, low profile rail solution with included fixing hardware.
What To Know Before You Buy
It is described as a low profile 0.54 inch riser rail and the item weight is listed as 3.74 oz per piece. The adaptor includes one vertical stop pin, four fixing screws with steel material, and an Allen wrench for installation.
Pros: The long 155mm rail gives more placement flexibility, and the included stop pin and screws add useful fitting hardware.
Cons: Check your existing mount format and selected variation carefully before ordering, as the fit depends on the 11mm dovetail and base mount details listed.
Common Buyer Questions
What does this adaptor convert?
It converts 11mm dovetail to 21mm Picatinny rail.
How long is the rail?
The rail extends 6.1 inches, or 155mm.
Does it come with fitting hardware?
Yes, it includes one vertical stop pin, four fixing screws, and an Allen wrench.
Is it low profile?
Yes, it is described as a low profile 0.54 inch riser rail.
What can be mounted on it?
The top 21mm Picatinny rail is listed for standard Picatinny scopes, red dots, or other accessories.
Key Details
| Detail | What it means in use |
|---|---|
| Brand | Paike |
| Type | 11mm dovetail to 21mm Picatinny rail convert adapter |
| Rail length | 155mm or 6.1 inches |
| Base length | 4.31 inches |
| Mount fit | 11mm dovetail mounts |
| Base converter | 3/8 inch to 7/8 inch converter adapter |
| Riser height | 0.54 inch low profile riser rail |
| Weight | 3.74 oz per piece |
| Included hardware | One vertical stop pin, four fixing screws, Allen wrench |
| Finish | Black hard coat anodized finish |
Final Buying View
The Paike adapter is a practical choice if you need to move from an 11mm dovetail setup to a 21mm Picatinny rail and want extra room for optics placement. The long rail, low profile shape, and included fitting hardware make it a straightforward mounting option. Check the mounting format and size details before ordering so you get the right fit for your setup.





