SRC CT25 Green Gas (NBB): specs, joules & FPS
Complete specs SRC Gas NBB (non-blowback)
SRC CT25 Green Gas (NBB): 0.58 J, 250 FPS, 150 g, 7 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 | SRC |
|---|---|
| Model | CT25 Green Gas (NBB) |
| Category | Pistols |
| Power source | Gas NBB (non-blowback) |
| Platform | 1911 |
| Weight | 150 g |
| Length | 135 mm |
| Magazine | 7 rounds |
| Hop-up | Fixed |
Weighs 150 g: lighter than 99% of NBB replicas in the same category in the database (226 with weight).
At 0.58 J it is more powerful than 7% 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 |
|---|---|---|---|
| ASG MK 23 Special Operations Gas Non Blow Back | 0.72 J | 279 | – |
| ASG Zastava R-357 Gas | 0.72 J | 279 | 1 g |
| Tokyo Marui カーヴ | – | – | 292 g |
| Tokyo Marui LCP | – | – | 255 g |
| Tokyo Marui LCP II | – | – | 265 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 | 250 | 76 |
| 0.25 g | 224 | 68 |
| 0.28 g | 211 | 64 |
| 0.30 g | 204 | 62 |
| 0.32 g | 198 | 60 |
| 0.36 g | 186 | 57 |
| 0.40 g | 177 | 54 |
Theoretical calculation at constant energy (0.58 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.
Available colours
The same model is also sold in these colours. The specs on this page refer to the first version; each colour links to its own page at the source.