RWC Systema PTW M4 CQB Evolution Version - (M90 Cylinder): specs, joules & FPS
Complete specs RWC AEG (electric)
RWC Systema PTW M4 CQB Evolution Version - (M90 Cylinder), AEG: 1.01 J, 330 FPS, 3,330 g, 120 rounds. Official specs.
Power
Above Italy's 1 J limit
Italian shops sell versions tuned below 1 J: ask the shop which version they ship.
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 | RWC |
|---|---|
| Model | Systema PTW M4 CQB Evolution Version - (M90 Cylinder) |
| Category | Assault rifles & carbines |
| Power source | AEG (electric) |
| Platform | CUSTOM GUN |
| Weight | 3,330 g |
| Length | 700 mm |
| Magazine | 120 rounds |
| Hop-up | Adjustable |
Weighs 3,330 g: heavier than 71% of AEG replicas in the same category in the database (873 with weight).
Similar alternatives
Replicas of the same type and category that stay within the Italian 1 J limit.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Novritsch SSR74 AEG (Long) | 1 J | 328 | 3,360 g |
| Novritsch SSR77 A2 AEG | 1 J | 328 | 3,400 g |
| Novritsch SSR77 A1 AEG | 1 J | 328 | 3,500 g |
| Novritsch SSR63 A1 AEG | 1 J | 328 | 2,770 g |
| Novritsch SSR63 A2 AEG | 1 J | 328 | 2,760 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 | 330 | 101 |
| 0.25 g | 295 | 90 |
| 0.28 g | 279 | 85 |
| 0.30 g | 269 | 82 |
| 0.32 g | 261 | 80 |
| 0.36 g | 246 | 75 |
| 0.40 g | 233 | 71 |
Theoretical calculation at constant energy (1.01 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.