Novritsch SSX303 Stealth Gas: specs, joules & FPS
Complete specs Novritsch Gas NBB (non-blowback)
Novritsch SSX303 Stealth Gas, NBB: 0.95 J, 330 FPS, 1,650 g, 32 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 source's data for this version. Not legal advice: always check current local law and the version the shop sells.
Technical specifications
| Brand | Novritsch |
|---|---|
| Model | SSX303 Stealth Gas |
| Category | Assault rifles & carbines |
| Power source | Gas NBB (non-blowback) |
| Weight | 1,650 g |
| Length (collapsed / extended) | 640 / 720 mm |
| Inner barrel | 303 mm |
| Magazine | 32 rounds |
Versione 0,8–0,95 J (300–330 FPS con 0,20 g, dipende da gas e temperatura); disponibile anche 1,7–2,5 J.
Weighs 1,650 g: lighter than 97% of NBB replicas in the same category in the database (37 with weight).
At 0.95 J it is more powerful than 60% of NBB replicas in the same category that stay within 1 J (10).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Lancer Tactical SOLGW Licensed MK1 MWS GBB - Socom Version (by Angry Gun) | 0.95 J | 320 | 1,920 g |
| APS TX1 Xtreme GBB | 1.01 J | 330 | 1,880 g |
| SAVIA M4 10.5 Inch MWS GBB (Naked Version) (MWS - Improved System) | 1 J | 328 | 2,150 g |
| Strike Industries EMG Strike Tactical 10inch (MWS System) GBB M4 | 1.01 J | 330 | 2,390 g |
| A Plus Airsoft A-Plus Noveske N4 GBBR (VFC M4 V3 GBB System) | 1.01 J | 330 | 2,540 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 | 320 | 97 |
| 0.25 g | 286 | 87 |
| 0.28 g | 270 | 82 |
| 0.30 g | 261 | 80 |
| 0.32 g | 253 | 77 |
| 0.36 g | 238 | 73 |
| 0.40 g | 226 | 69 |
Theoretical calculation at constant energy (0.95 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 2026-11-08.
Official Novritsch product page ↗ eu.novritsch.com
Spotted a wrong or missing value? Let us know.