Umarex HK VP9 Green Gas Airsoft Pistol (Threaded Barrel Version) (by VFC): specs, joules & FPS
Partial data Umarex GBB (gas blowback)
Umarex HK VP9 Green Gas Airsoft Pistol (Threaded Barrel Version) (by VFC), GBB: 0.78 J, 290 FPS, 730 g, 22 rounds. Official specs.
Power
Within Italy's 1 J limit
Estimated energy: the source does not give the BB weight, so we used 0.20 g, the standard weight manufacturers and shops use to measure velocity. With other BBs the value changes: always check with a chronograph.
For information only, based on the energy the manufacturer declares for this version. Not legal advice: always check current local law and the version the shop sells.
Technical specifications
| Brand | Umarex |
|---|---|
| Model | HK VP9 Green Gas Airsoft Pistol (Threaded Barrel Version) (by VFC) |
| Manufacturer code | n/a |
| Category | Pistols |
| Power source | GBB (gas blowback) |
| Platform | VP9 |
| Weight | 730 g |
| Length | 180 mm |
| Inner barrel | n/a |
| Magazine | 22 rounds |
| Hop-up | Adjustable |
| EAN / UPC | n/a |
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 | 290 | 88 |
| 0.25 g | 259 | 79 |
| 0.28 g | 245 | 75 |
| 0.30 g | 237 | 72 |
| 0.32 g | 229 | 70 |
| 0.36 g | 216 | 66 |
| 0.40 g | 205 | 63 |
Theoretical calculation at constant energy (0.78 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
Not declared by the manufacturer: Inner barrel.