Quick Summary
The 5KU 183mm Fighting Cat Carbine Length Free Float Handguard is a 4 side rail system for M4 and M16 series AEG and GBB rifles. It is listed as a carbine length handguard with a full length of 183mm and a rail length of 172mm, and it is made from aluminium.
Who It Is Best For
This handguard suits buyers looking for a replacement or upgrade part for compatible M4 or M16 style airsoft rifles. It will appeal to anyone who wants a free float handguard with a rail setup and is checking fit against a specific rifle series before ordering.
What To Know Before You Buy
Check compatibility carefully before buying, as the listed fitment is specific to Tokyo Marui M4 M16 Series AEG rifles and WA M4 Series GBB rifles.
Pros: Aluminium construction and a 4 side rail system give it a practical, modular style for compatible rifles.
Cons: Fitment is model specific, so you should confirm the selected variation and rifle series before ordering.
Common Buyer Questions
What type of product is this?
It is a 5KU carbine length free float handguard with a 4 side rail system for compatible M4 and M16 series rifles.
Which rifle series is it listed for?
It is listed for Tokyo Marui M4 M16 Series AEG rifles and WA M4 Series GBB rifles.
What is the length?
The full length is listed as 183mm and the rail length as 172mm.
What is it made from?
It is made from aluminium.
Should I check fit before ordering?
Yes. Compatibility is specific, so it is best to confirm your rifle series and selected variation before you buy.
Key Details
| Detail | What it means in use |
|---|---|
| Brand | 5KU |
| Product type | Fighting Cat carbine length free float handguard |
| Rail system | 4 side rail system |
| Full length | 183mm |
| Rail length | 172mm |
| Material | Aluminium |
| Listed fitment | Tokyo Marui M4 M16 Series AEG rifle and WA M4 Series GBB rifle |
| Weight | Approx 338g |
Final Buying View
If you need a 5KU free float handguard for a compatible M4 or M16 style airsoft rifle, this model gives you a clear set of listed fitment details and a practical 4 side rail layout. The key point is to match the rifle series carefully before ordering so the part suits your setup. If it matches, it is a straightforward upgrade part to consider.





