SIG AIR Sauer MPX-K Sportline AEG (by SIG AIR & King Arms): specs, joules & FPS
Complete specs SIG AIR AEG (electric)
SIG AIR Sauer MPX-K Sportline AEG (by SIG AIR & King Arms): 0.84 J, 300 FPS, 1,600 g, 100 rounds. Official specs.
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 | SIG AIR |
|---|---|
| Model | Sauer MPX-K Sportline AEG (by SIG AIR & King Arms) |
| Category | SMGs |
| Power source | AEG (electric) |
| Platform | MPX |
| Weight | 1,600 g |
| Length | 590.5 mm |
| Magazine | 100 rounds |
| Hop-up | Adjustable |
| Battery | 7,4 V LiPo · connector Tamiya mini |
Weighs 1,600 g: lighter than 92% of AEG replicas in the same category in the database (171 with weight).
At 0.84 J it is more powerful than 64% of AEG replicas in the same category that stay within 1 J (55).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Novritsch SSR9 DSG AEG | 1 J | 328 | 1,900 g |
| Novritsch SSR90 Gen2 Electric SMG | 1 J | 328 | 1,900 g |
| Tokyo Marui M4 Patriot HC | 0.73 J | 280 | 1,800 g |
| RWA KG-9 AEG SMG | 1.01 J | 330 | 1,700 g |
| Tokyo Marui Scorpion Mod D | 0.73 J | 280 | 1,369 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 | 300 | 91 |
| 0.25 g | 268 | 82 |
| 0.28 g | 254 | 77 |
| 0.30 g | 245 | 75 |
| 0.32 g | 237 | 72 |
| 0.36 g | 224 | 68 |
| 0.40 g | 212 | 65 |
Theoretical calculation at constant energy (0.84 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.