ASG CZ SP-01 Shadow Spring: specs, joules & FPS
Complete specs Spring
ASG CZ SP-01 Shadow Spring: 0.4 J, 206.69 FPS, 500 g, 14 rounds. Full specs from the official source, with FPS for every BB weight.
Power
Energy0.4 J
Velocity (FPS)206.69
Velocity (m/s)63
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 | CZ SP-01 Shadow Spring |
| Manufacturer code | 17655 |
| Category | Pistols |
| Power source | Spring |
| Platform | CZ Shadow |
| Weight | 500 g |
| Length | 207 mm |
| Inner barrel | 100 mm |
| Magazine | 14 rounds |
| Hop-up | Fixed |
| EAN / UPC | 5707843055567 |
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 | 207 | 63 |
| 0.25 g | 186 | 57 |
| 0.28 g | 175 | 53 |
| 0.30 g | 169 | 52 |
| 0.32 g | 164 | 50 |
| 0.36 g | 155 | 47 |
| 0.40 g | 147 | 45 |
Theoretical calculation at constant energy (0.4 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