KWA Kriss Vector GBB: specs, joules & FPS
Complete specs KWA GBB (gas blowback)
KWA Kriss Vector GBB: 1.2 J, 360 FPS, 2,690 g, 49 rounds. Full specs from the official source, with FPS for every BB weight.
Power
Above Italy's 1 J limit
Italian shops sell versions tuned below 1 J: ask the shop which version they ship.
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 | KWA |
|---|---|
| Model | Kriss Vector GBB |
| Category | SMGs |
| Power source | GBB (gas blowback) |
| Platform | VECTOR |
| Weight | 2,690 g |
| Length | 615 mm |
| Magazine | 49 rounds |
| Hop-up | Adjustable |
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 | 360 | 110 |
| 0.25 g | 322 | 98 |
| 0.28 g | 304 | 93 |
| 0.30 g | 294 | 90 |
| 0.32 g | 285 | 87 |
| 0.36 g | 268 | 82 |
| 0.40 g | 255 | 78 |
Theoretical calculation at constant energy (1.2 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