Cybergun FN Herstal FNX45 Tactical Gas Blowback Pistol (by VFC): specs, joules & FPS
Complete specs Cybergun GBB (gas blowback)
Cybergun FN Herstal FNX45 Tactical Gas Blowback Pistol (by VFC), GBB: 0.95 J, 320 FPS, 840 g, 25 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 | Cybergun |
|---|---|
| Model | FN Herstal FNX45 Tactical Gas Blowback Pistol (by VFC) |
| Category | Pistols |
| Power source | GBB (gas blowback) |
| Platform | FNX & FNS |
| Weight | 840 g |
| Length | 220 mm |
| Magazine | 25 rounds |
| Hop-up | Adjustable |
Weighs 840 g: heavier than 56% of GBB replicas in the same category in the database (466 with weight).
At 0.95 J it is more powerful than 87% of GBB replicas in the same category that stay within 1 J (351).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Novritsch SSP28 Split-Slide GBB | 0.95 J | 320 | 823 g |
| RWC Inokatsu M&P9 Steel Slide Custom | 0.95 J | 320 | 760 g |
| Umarex H&K HK45 GBB - Black (by KWA) | 1.01 J | 330 | 880 g |
| Novritsch SSP18 Gas Blowback Pistol | 0.95 J | 320 | 735 g |
| Umarex HK P8A1 Green Gas (by VFC) | 0.84 J | 300 | 820 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 | 320 | 98 |
| 0.25 g | 286 | 87 |
| 0.28 g | 270 | 82 |
| 0.30 g | 261 | 80 |
| 0.32 g | 253 | 77 |
| 0.36 g | 239 | 73 |
| 0.40 g | 226 | 69 |
Theoretical calculation at constant energy (0.95 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.