Quick Summary
The CYMA 328mm SIR System RIS Handguard Rail System is an airsoft spare part for M4 and M16 Series AEG rifles. It is designed for the CYMA CM508 M4 SIR rifle and is made from aluminium and polymer, with a metal upper and ABS lower handguard plus metal rails. The listed measurements and weight give a clear idea of the size before ordering.
Who It Is Best For
This is suited to buyers looking for a replacement or compatible handguard rail system for an M4 or M16 Series AEG setup. It will also appeal to anyone matching parts to a CYMA CM508 M4 SIR rifle and wanting a rail system with the listed dimensions.
What To Know Before You Buy
Check compatibility carefully before ordering, especially if you are matching it to a specific rifle variation. The product is described for the CYMA CM508 M4 SIR rifle and suitable for M4 M16 Series AEG rifles.
Pros: Includes stated dimensions and materials, which makes selection more straightforward.
Cons: Fit should be checked against your exact rifle variation before buying.
Common Buyer Questions
What type of product is this?
It is an airsoft spare parts rail handguard system for M4 M16 Series AEG rifles.
Will it fit a CYMA CM508 M4 SIR rifle?
It is described as designed for the CYMA CM508 M4 SIR rifle.
Is it suitable for M4 and M16 Series AEG rifles?
Yes, it is listed as suitable for M4 M16 Series AEG rifle use.
What materials are listed?
It is made out of aluminium and polymer, with a metal upper and ABS lower handguard and metal rails.
Are the measurements included?
Yes, the listing includes full length, bottom length, top rail length, bottom rail length, side rail length and weight.
Key Details
| Detail | What it means in use |
|---|---|
| Product type | Airsoft spare parts handguard rail system |
| Compatibility | Suitable for M4 M16 Series AEG rifle |
| Designed for | CYMA CM508 M4 SIR rifle |
| Materials | Aluminium and polymer, with metal rails and an ABS lower handguard |
| Full length | 328mm |
| Bottom length | 182mm |
| Top rail length | 145mm plus 162mm |
| Bottom rail length | 99mm |
| Side rail length | 61mm, 2pcs |
| Weight | Approx 744g |
Final Buying View
If you need a CYMA SIR style handguard rail system for an M4 or M16 Series AEG, this part gives you the key dimensions and material details up front. It is a practical option when you want a replacement or compatible rail system and need to check fit before ordering. Review the listed measurements against your rifle, then choose with confidence.
