KSC CZ75 1st Version GBB (System 7) - Japan Version: specs, joules & FPS
Complete specs KSC GBB (gas blowback)
KSC CZ75 1st Version GBB (System 7) - Japan Version: 0.73 J, 280 FPS, 750 g, 23 rounds. Full specs from the official source, with FPS for every BB weight.
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 | KSC |
|---|---|
| Model | CZ75 1st Version GBB (System 7) - Japan Version |
| Category | Pistols |
| Power source | GBB (gas blowback) |
| Platform | CZ75 |
| Weight | 750 g |
| Length | 235 mm |
| Magazine | 23 rounds |
| Hop-up | Adjustable |
Weighs 750 g: lighter than 65% of GBB replicas in the same category in the database (466 with weight).
At 0.73 J it is more powerful than 14% 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 |
|---|---|---|---|
| Tokyo Marui AM .45 | 0.73 J | 280 | 735 g |
| VFC SA 226T | 0.81 J | 295 | 765 g |
| KSC CZ75 2nd Version Heavy Weight GBB (Japan System 7 Version) | 0.73 J | 280 | 840 g |
| G&G GTP 9 | 0.84 J | 300 | 770 g |
| VFC SA 320T | 0.81 J | 295 | 798 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 | 280 | 85 |
| 0.25 g | 250 | 76 |
| 0.28 g | 237 | 72 |
| 0.30 g | 229 | 70 |
| 0.32 g | 221 | 67 |
| 0.36 g | 209 | 64 |
| 0.40 g | 198 | 60 |
Theoretical calculation at constant energy (0.73 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.