Quick Summary
This 2 piece rail mount set from BILLION DUO is a dovetail rail extension adapter and scope mount base for lifting optics on a rail setup. It includes one high profile mount and one low profile mount, with 8 slots on each long rail for adding compatible accessories.
Who It Is Best For
This set suits buyers who want a raised mounting position for optics and prefer having both high and low profile options in one package. It is also useful for anyone looking for an 11mm to 20mm dovetail rail extension adapter with a see through style design and space for additional accessories.
What To Know Before You Buy
The mount base is listed as fitting a standard 21mm rail, so it is worth checking the rail size and selected setup before ordering. The low profile mount is tightened with an allen wrench. One mount is 1 inch high profile and the other is 1/2 inch low profile.
Pros
Includes both high and low profile mounts, with 8 slots on each rail for added accessory options.
Cons
Rail fit should be checked carefully before ordering, especially if your setup is not a standard 21mm rail.
Common Buyer Questions
What is included in the pack?
The pack includes two mounts, one high profile and one low profile.
Does it have space for accessories?
Yes, each mount has 8 slots on the long rail design.
What rail size does it fit?
It is listed as fitting a standard 21mm rail, so check your setup before buying.
Can it be used to raise optics?
Yes, it is designed to lift optics to a higher mounting position.
How is the low profile mount secured?
The low profile mount is tightened with an allen wrench.
Key Details
| Detail | What it means in use |
|---|---|
| 2 piece pack | Includes one high profile mount and one low profile mount. |
| 11mm to 20mm dovetail rail extension adapter | Designed for rail extension use in compatible setups. |
| 8 slots | Allows space for adding compatible accessories. |
| Standard 21mm rail fit | Check your rail size before ordering to make sure it suits your setup. |
| 1 inch high profile and 1/2 inch low profile | Gives two height options in one package. |
Final Buying View
This is a practical two piece rail mount set that gives you both high and low profile options, plus 8 slots on each rail for extra accessory use. If you need a rail mount base for a compatible 21mm setup and want the flexibility of two height choices, it is a straightforward option worth considering. Check your rail size and selected variation before ordering.
