Tokyo Marui MP7A1 GBB: specs, joules & FPS
Complete specs Tokyo Marui GBB (gas blowback)
Tokyo Marui MP7A1 GBB: 0.73 J, 280 FPS, 2,200 g, 40 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 | MP7A1 GBB |
| Category | SMGs |
| Power source | GBB (gas blowback) |
| Platform | MP7 |
| Weight | 2,200 g |
| Length (collapsed / extended) | 381 / 586 mm |
| Inner barrel | 146 mm |
| Magazine | 40 rounds |
| Hop-up | Adjustable |
nero e tan
Weighs 2,200 g: lighter than 58% of GBB replicas in the same category in the database (67 with weight).
At 0.73 J it is more powerful than 5% of GBB replicas in the same category that stay within 1 J (21).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| G&G SMC-9 | 1.01 J | 330 | 2,150 g |
| KSC VZ61 Skorpion GBB (HW) | 0.84 J | 300 | 1,550 g |
| ShowGuns Mac 11 Blade GBB | 0.84 J | 300 | 1,540 g |
| APFG MPX Copperhead GBB | 0.84 J | 300 | 1,850 g |
| Vorsk VMP-1 GBB SMG | 0.84 J | 300 | 1,830 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 | 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
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.