ASG Zastava R-357 Gas: specs, joules & FPS
Partial data Gas NBB (non-blowback)
ASG Zastava R-357 Gas, NBB: 0.72 J, 278.87 FPS, 1 g, 12 rounds. Full specs from the official source, with FPS for every BB weight.
Power
Within Italy's 1 J limit
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 | Zastava R-357 Gas |
| Manufacturer code | 11542 |
| Category | Pistols |
| Power source | Gas NBB (non-blowback) |
| Platform | ASG generic |
| Weight | 1 g |
| Length | n/a |
| Inner barrel | n/a |
| Magazine | 12 rounds |
| Hop-up | n/a |
| EAN / UPC | 5707843001618 |
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 | 278 | 85 |
| 0.25 g | 249 | 76 |
| 0.28 g | 235 | 72 |
| 0.30 g | 227 | 69 |
| 0.32 g | 220 | 67 |
| 0.36 g | 207 | 63 |
| 0.40 g | 197 | 60 |
Theoretical calculation at constant energy (0.72 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
Not declared by the manufacturer: Length, Inner barrel.