Tokyo Marui MP5-J: specs, joules & FPS
Complete specs Tokyo Marui AEG (electric)
Tokyo Marui MP5-J, AEG: 0.7 J, 275 FPS, 2,150 g, 50 rounds. Full specs from the official source, with FPS for every BB weight.
Power
Within Italy's 1 J limit
Energy computed from the velocity with 0.20 g BBs, the standard weight manufacturers and shops use to measure FPS.
The main source does not give the velocity: FPS taken from the page of the same model on www.redwolfairsoft.com.
For information only, based on the source's data for this version. Not legal advice: always check current local law and the version the shop sells.
Technical specifications
| Brand | Tokyo Marui |
|---|---|
| Model | MP5-J |
| Category | SMGs |
| Power source | AEG (electric) |
| Platform | MP5 |
| Weight | 2,150 g |
| Length (collapsed / extended) | 582 / 735 mm |
| Inner barrel | 227 mm |
| Magazine | 50 rounds |
| Gearbox | V2 (standard for this model) |
| Hop-up | Adjustable |
Weighs 2,150 g: lighter than 72% of AEG replicas in the same category in the database (171 with weight).
At 0.7 J it is more powerful than 29% of AEG replicas in the same category that stay within 1 J (55).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Tokyo Marui MP5SD5 AEG | 0.65 J | 265 | 2,150 g |
| Tokyo Marui MP5A4 (HG) AEG | 0.65 J | 265 | 2,100 g |
| Tokyo Marui H&K G3 SAS | 0.75 J | 285 | 2,200 g |
| Tokyo Marui H&K MP5A5 HC | 0.51 J | 235 | 1,800 g |
| G&G MXC9 | 1.01 J | 330 | 2,246 g |
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 | 275 | 84 |
| 0.25 g | 246 | 75 |
| 0.28 g | 232 | 71 |
| 0.30 g | 225 | 68 |
| 0.32 g | 217 | 66 |
| 0.36 g | 205 | 62 |
| 0.40 g | 194 | 59 |
Theoretical calculation at constant energy (0.7 J). Real-world values can differ slightly with hop-up and replica.
Data source
Every value on this page comes from the manufacturer's official product page, checked on 2026-11-07.
Official Tokyo Marui product page ↗ tokyo-marui.co.jp
Spotted a wrong or missing value? Let us know.