SIG AIR Sauer M18 P320 Green Gas - Black (by SIG AIR & VFC) - 6mm: specs, joules & FPS
Complete specs SIG AIR CO2
SIG AIR Sauer M18 P320 Green Gas - Black (by SIG AIR & VFC) - 6mm, CO2: 0.73 J, 280 FPS, 760 g, 21 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 | SIG AIR |
|---|---|
| Model | Sauer M18 P320 Green Gas - Black (by SIG AIR & VFC) - 6mm |
| Category | Pistols |
| Power source | CO2 |
| Platform | P320 M17 M18 |
| Weight | 760 g |
| Length | 210 mm |
| Magazine | 21 rounds |
| Hop-up | Adjustable |
Weighs 760 g: lighter than 76% of CO2 replicas in the same category in the database (231 with weight).
At 0.73 J it is more powerful than 0% of CO2 replicas in the same category that stay within 1 J (85).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| SIG AIR Sauer M18 P320 Green Gas - TAN (by SIG AIR & VFC) - 6mm | 0.73 J | 280 | 760 g |
| RWC G Zion Cerakote ZKU-II Green M17 GBB (Number 13) | 0.84 J | 300 | 760 g |
| RWC G Zion Cerakote ZKU-II Green M17 Green Gas (Number 12) | 0.84 J | 300 | 760 g |
| RWC G Zion Cerakote ZKU-II Green M17 Green Gas (Number 14) | 0.84 J | 300 | 760 g |
| RWC G Zion Cerakote ZKU-II Green M17 Green Gas (Number 15) | 0.84 J | 300 | 760 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
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.