Tokyo Marui Spring Python 357 4 inch Revolver (Stainless Silver): specs, joules & FPS
Complete specs Tokyo Marui Spring
Tokyo Marui Spring Python 357 4 inch Revolver (Stainless Silver): 0.09 J, 100 FPS, 390 g, 6 rounds. Official specs.
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.
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 | Spring Python 357 4 inch Revolver (Stainless Silver) |
| Category | Pistols |
| Power source | Spring |
| Platform | PYTHON |
| Weight | 390 g |
| Length | 240 mm |
| Magazine | 6 rounds |
| Hop-up | Fixed |
Weighs 390 g: lighter than 62% of spring replicas in the same category in the database (26 with weight).
At 0.09 J it is more powerful than 0% of spring replicas in the same category that stay within 1 J (27).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Tokyo Marui Python 357 Spring Revolver (4 inch) | 0.09 J | 100 | 390 g |
| Tokyo Marui Python PPC Custom Spring Revolver 4 inch | 0.09 J | 100 | 380 g |
| Tokyo Marui Python 357 Spring Revolver (6 inch) | 0.09 J | 100 | 430 g |
| Tokyo Marui Double Eagle Spring (High Grade) | 0.24 J | 160 | 400 g |
| Tokyo Marui Python PPC Custom Spring Revolver 6 inch | 0.37 J | 200 | 450 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 | 100 | 30 |
| 0.25 g | 89 | 27 |
| 0.28 g | 85 | 26 |
| 0.30 g | 82 | 25 |
| 0.32 g | 79 | 24 |
| 0.36 g | 75 | 23 |
| 0.40 g | 71 | 22 |
Theoretical calculation at constant energy (0.09 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
Spotted a wrong or missing value? Let us know.