Tokyo Marui Python 357 2.5 inch (Stainless Silver): specs, joules & FPS
Complete specs Tokyo Marui Gas NBB (non-blowback)
Tokyo Marui Python 357 2.5 inch (Stainless Silver), NBB: 0.41 J, 210 FPS, 500 g, 24 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.
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 | Python 357 2.5 inch (Stainless Silver) |
| Category | Pistols |
| Power source | Gas NBB (non-blowback) |
| Platform | PYTHON |
| Weight | 500 g |
| Length | 190 mm |
| Magazine | 24 rounds |
| Hop-up | Fixed |
Weighs 500 g: lighter than 82% of NBB replicas in the same category in the database (226 with weight).
At 0.41 J it is more powerful than 2% of NBB replicas in the same category that stay within 1 J (178).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Tokyo Marui Python 357 4 inch (Black) (New Version) | 0.49 J | 230 | 570 g |
| Tokyo Marui Python 357 4 inch (Stainless Silver) | 0.54 J | 240 | 560 g |
| Tokyo Marui S&W M19 2.5inch | 0.45 J | 220 | 510 g |
| Tanaka Works Revolver S&W M29 4inch Counterbored Steel Finish Ver.3 (Gas Version) | 0.73 J | 280 | 450 g |
| Tanaka Works S&W M29 PC 3inch Flat Side Steel Finish Ver.3 Gas Revolver | 0.73 J | 280 | 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 | 210 | 64 |
| 0.25 g | 188 | 57 |
| 0.28 g | 177 | 54 |
| 0.30 g | 171 | 52 |
| 0.32 g | 166 | 51 |
| 0.36 g | 157 | 48 |
| 0.40 g | 148 | 45 |
Theoretical calculation at constant energy (0.41 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.