Specna Arms MP41 RETRO X-ASR: specs, joules & FPS
Partial data Specna Arms AEG (electric)
Specna Arms MP41 RETRO X-ASR, AEG: 1.27 J, 370 FPS, 3,280 g, 120 rounds. Full specs from the official source, with FPS for every BB weight.
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 | Specna Arms |
|---|---|
| Model | MP41 RETRO X-ASR |
| Manufacturer code | SPE-01-048919 |
| Category | SMGs |
| Power source | AEG (electric) |
| Platform | MP41 |
| Weight | 3,280 g |
| Length | n/a |
| Inner barrel | 265 mm |
| Magazine | 120 rounds |
| Gearbox | V7 |
| Battery | 7,4 V LiPo · connector Deans (T-plug) |
lunghezza indicata come 85.50 senza unità
Weighs 3,280 g: heavier than 88% 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 |
|---|---|---|---|
| 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 |
| Novritsch SSR90 Gen2 Electric SMG | 1 J | 328 | 1,900 g |
| Systema PTW Professional Training Weapon TW5-A4 (MP5) (M90 Cylinder) | 0.95 J | 320 | 4,000 g |
| ASG CZ Scorpion EVO 3 A1 B.E.T. Carbine AEG Italian vers. | 0.9 J | 312 | 2,675 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 | 370 | 113 |
| 0.25 g | 331 | 101 |
| 0.28 g | 313 | 95 |
| 0.30 g | 302 | 92 |
| 0.32 g | 293 | 89 |
| 0.36 g | 276 | 84 |
| 0.40 g | 262 | 80 |
Theoretical calculation at constant energy (1.27 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 gunfire.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 ↗ gunfire.com
Not declared by the manufacturer: Length.
Spotted a wrong or missing value? Let us know.