Tokyo Marui Thompson M1A1: specs, joules & FPS
Complete specs Tokyo Marui AEG (electric)
Tokyo Marui Thompson M1A1, AEG: 0.7 J, 275 FPS, 3,410 g, 60 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 | Thompson M1A1 |
| Category | SMGs |
| Power source | AEG (electric) |
| Platform | Thompson |
| Weight | 3,410 g |
| Length | 803 mm |
| Inner barrel | 300 mm |
| Magazine | 60 rounds |
| Hop-up | Adjustable |
Weighs 3,410 g: heavier than 91% of AEG replicas in the same category in the database (171 with weight).
At 0.7 J it is more powerful than 30% of AEG replicas in the same category that stay within 1 J (53).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| ARES M3 Grease Gun (Stamped Steel Body w/ Electric Blowback) | 0.73 J | 280 | 3,080 g |
| Tokyo Marui Next Gen MP5 SD6 | 0.73 J | 280 | 3,180 g |
| Tokyo Marui MP5A5 Next Generation (NGRS EBB) AEG | 0.73 J | 280 | 2,970 g |
| Tokyo Marui MP5A4 Next Generation (NGRS EBB) AEG | 0.73 J | 280 | 2,790 g |
| Snow Wolf Metal Bergmann MP-18 SMG AEG - Real Wood (SW-021) | 0.78 J | 290 | 3,920 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.