Quick Summary
The Airsoft Shien B 31 Extra Long Upper Handguard for Airsoft AK in Tan by 5KU is an extra long upper handguard for airsoft AK setups. It is described as a Zen Type B 31 handguard made from CNC machined aluminium, and it is intended for use with the 5KU B 30 lower handguard.
Who It Is Best For
This is aimed at airsoft players looking for an upper handguard for an AK series setup, especially where the matching lower handguard is already part of the build. It may suit users working with GHK or LCT AK series, and it may also fit CYMA and other variants if modifications are needed.
What To Know Before You Buy
The handguard is stated as being for airsoft toys only and not designed for a real firearm. It is also described as suitable for GHK and LCT AK series, with possible fitment to CYMA and other versions that may need modifications.
Pros: CNC machined aluminium construction and an extra long format for compatible airsoft AK builds.
Cons: It is intended for use with the 5KU B 30 lower handguard only, so you should check compatibility before ordering.
Common Buyer Questions
What type of product is this?
It is an extra long upper handguard for an airsoft AK setup.
Which lower handguard does it work with?
It is for use with the 5KU B 30 lower handguard only.
Will it fit my AK?
It is stated as suitable for GHK and LCT AK series, and it may fit CYMA and other versions with modifications.
What is it made from?
It is described as CNC machined aluminium.
Is this for a real firearm?
No, it is for airsoft toys only and is not designed for a real firearm.
Key Details
| Detail | What it means in use |
|---|---|
| Product type | Extra long upper handguard for an airsoft AK |
| Model | Zen Type B 31 |
| Finish | Tan |
| Brand | 5KU |
| Material | CNC machined aluminium |
| Compatible series | Suitable for GHK and LCT AK series |
| Possible fitment | May fit CYMA and other versions with modifications |
| Lower handguard note | For use with 5KU B 30 lower handguard only |
| Use | For airsoft toys only |
Final Buying View
This is a specialist extra long upper handguard for an airsoft AK build, with a clear fitment note and a matching lower handguard requirement. If you are building around the right 5KU setup and want a tan Zen Type B 31 option, it gives you a defined starting point. Check your exact AK series and lower handguard before buying.





