Quick Summary
The K300 metal flip up front and rear sight set is a folding sight option for use on 20MM rails. It is designed as a back up sight set with a double aperture layout, and it includes a front sight, rear sight and hex tool.
Who It Is Best For
This set suits buyers who want a compact sight solution that can be folded away when not needed and mounted on compatible rails. It may appeal to anyone looking for a front and rear sight pair with a simple fitting setup and a black finish.
What To Know Before You Buy
The set is listed for 20MM rails and is also described as compatible with most 21mm Picatinny and Weaver rails, so it is worth checking your selected rail before ordering.
Pros: Folding design helps save space when carrying or storing, and the set includes both front and rear sights plus a hex tool.
Cons: Compatibility should be checked carefully, as the listing refers to both 20MM rails and most 21mm Picatinny and Weaver rails.
Common Buyer Questions
What comes in the set?
The kit includes one front sight, one rear sight and one hex tool.
Is it designed to fold?
Yes, the sights are described as folding and can be flipped up and down.
What rails does it fit?
It is listed for 20MM rails and also described as compatible with most 21mm Picatinny and Weaver rails.
Is it suitable as a back up sight set?
Yes, it is described as a back up scope fit sight set.
Does it have more than one aperture?
Yes, it is described as a double aperture iron sight set.
Key Details
| Detail | What it means in use |
|---|---|
| Product type | Front and rear folding sight set |
| Model name | K300 |
| Rail fit | Listed for 20MM rails and described as compatible with most 21mm Picatinny and Weaver rails |
| Design | Folding sight design for compact carrying and storage |
| Aperture style | Double aperture iron sights |
| Included items | 1 front sight, 1 rear sight and 1 hex tool |
| Colour | All black |
Final Buying View
The K300 sight set is a practical option if you want a folding front and rear sight pair for a compatible rail setup. It combines a compact design with a double aperture layout and includes the fittings needed to get started. If you are checking rail compatibility, this is a straightforward sight set to consider.









