Tokyo Marui M4 MWS Carbine (ZET System) GBBR Airsoft M4 Rifle: specs, joules & FPS
Partial data Tokyo Marui GBB (gas blowback)
Tokyo Marui M4 MWS Carbine (ZET System) GBBR Airsoft M4 Rifle: 0.73 J, 280 FPS, 2,960 g, 35 rounds. Official specs.
Power
Within Italy's 1 J limit
Estimated energy: the source does not give the BB weight, so we used 0.20 g, the standard weight manufacturers and shops use to measure velocity. With other BBs the value changes: always check with a chronograph.
For information only, based on the energy the manufacturer declares for this version. Not legal advice: always check current local law and the version the shop sells.
Technical specifications
| Brand | Tokyo Marui |
|---|---|
| Model | M4 MWS Carbine (ZET System) GBBR Airsoft M4 Rifle |
| Manufacturer code | n/a |
| Category | Assault rifles & carbines |
| Power source | GBB (gas blowback) |
| Platform | AR/M4 SERIES |
| Weight | 2,960 g |
| Length | 780 mm |
| Inner barrel | n/a |
| Magazine | 35 rounds |
| Hop-up | Adjustable |
| EAN / UPC | n/a |
Velocity with different BB weights
At the same energy, heavier BBs leave the barrel slower. Expected velocity with the most common weights:
| BB weight | FPS | m/s |
|---|---|---|
| 0.20 g | 280 | 85 |
| 0.25 g | 250 | 76 |
| 0.28 g | 237 | 72 |
| 0.30 g | 229 | 70 |
| 0.32 g | 221 | 67 |
| 0.36 g | 209 | 64 |
| 0.40 g | 198 | 60 |
Theoretical calculation at constant energy (0.73 J). Real-world values can differ slightly with hop-up and replica.
Data source
The values on this page come from the product page of the shop redwolfairsoft.com, checked on 2026-11-07. The manufacturer does not publish full specs: values may refer to the version that shop sells.
Shop product page ↗ redwolfairsoft.com
Not declared by the manufacturer: Inner barrel.