Systema PTW Professional Training Weapon Challenge Kit TW5-A4 MAX (M150 Cylinder): specs, joules & FPS
Complete specs Systema AEG (electric)
Systema PTW Professional Training Weapon Challenge Kit TW5-A4 MAX (M150 Cylinder), AEG: 1.97 J, 460 FPS, 4,000 g, 40 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 | Systema |
|---|---|
| Model | PTW Professional Training Weapon Challenge Kit TW5-A4 MAX (M150 Cylinder) |
| Category | SMGs |
| Power source | AEG (electric) |
| Platform | MP5 MP7 MP9 |
| Weight | 4,000 g |
| Length | 659 mm |
| Magazine | 40 rounds |
| Hop-up | Adjustable |
Weighs 4,000 g: heavier than 99% of AEG replicas in the same category in the database (171 with weight).
Similar alternatives
Replicas of the same type and category that stay within the Italian 1 J limit.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Systema PTW Professional Training Weapon TW5-A4 (MP5) (M90 Cylinder) | 0.95 J | 320 | 4,000 g |
| Systema PTW Professional Training Weapon Challenge Kit TW5-A4 (M90 Cylinder) | 0.95 J | 320 | 4,700 g |
| Snow Wolf Metal Bergmann MP-18 SMG AEG - Real Wood (SW-021) | 0.78 J | 290 | 3,920 g |
| ARES M3 Grease Gun (Stamped Steel Body w/ Electric Blowback) | 0.73 J | 280 | 3,080 g |
| Novritsch SSR9 DSG AEG | 1 J | 328 | 1,900 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 | 460 | 140 |
| 0.25 g | 411 | 125 |
| 0.28 g | 389 | 118 |
| 0.30 g | 376 | 114 |
| 0.32 g | 364 | 111 |
| 0.36 g | 343 | 105 |
| 0.40 g | 325 | 99 |
Theoretical calculation at constant energy (1.97 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.