ASG BERSA THUNDER 9 PRO CO2 Non Blow Back: specs, joules & FPS
Complete specs CO2
ASG BERSA THUNDER 9 PRO CO2 Non Blow Back: 1.82 J, 442.91 FPS, 520 g, 15 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.
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 | ASG |
|---|---|
| Model | BERSA THUNDER 9 PRO CO2 Non Blow Back |
| Manufacturer code | 17309 |
| Category | Pistols |
| Power source | CO2 |
| Platform | Bersa TP9/BP9 |
| Weight | 520 g |
| Length | 192 mm |
| Inner barrel | 115 mm |
| Magazine | 15 rounds |
| Hop-up | Fixed |
| EAN / UPC | 5707843049665 |
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 | 443 | 135 |
| 0.25 g | 396 | 121 |
| 0.28 g | 374 | 114 |
| 0.30 g | 361 | 110 |
| 0.32 g | 350 | 107 |
| 0.36 g | 330 | 101 |
| 0.40 g | 313 | 95 |
Theoretical calculation at constant energy (1.82 J). Real-world values can differ slightly with hop-up and replica.
Data source
Every value on this page comes from the manufacturer's official product page, checked on 2026-11-07.
Official ASG product page ↗ actionsportgames.com