Specna Arms AK-12 SA-J22 FLEX: specs, joules & FPS
Partial data Specna Arms AEG (electric)
Specna Arms AK-12 SA-J22 FLEX, AEG: 1.14 J, 350 FPS, 2,685 g, 180 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 | AK-12 SA-J22 FLEX |
| Manufacturer code | SPE-01-048664 |
| Category | Assault rifles & carbines |
| Power source | AEG (electric) |
| Platform | AK12 |
| Weight | 2,685 g |
| Length | n/a |
| Inner barrel | 363 mm |
| Magazine | 180 rounds |
| Gearbox | V3 |
| Battery | 7,4 V LiPo · connector Deans (T-plug) |
lunghezza indicata come 94.50 senza unità
Weighs 2,685 g: lighter than 66% 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 SSR63 A2 AEG | 1 J | 328 | 2,760 g |
| Novritsch SSR63 A1 AEG | 1 J | 328 | 2,770 g |
| Novritsch SSR4 Mk2 AEG | 1 J | 328 | 2,380 g |
| Novritsch SSR4 Mk1 Gen2 AEG | 1 J | 328 | 2,300 g |
| Novritsch SSR74 AEG (Long) | 1 J | 328 | 3,360 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 | 350 | 107 |
| 0.25 g | 313 | 95 |
| 0.28 g | 296 | 90 |
| 0.30 g | 286 | 87 |
| 0.32 g | 277 | 84 |
| 0.36 g | 261 | 80 |
| 0.40 g | 247 | 75 |
Theoretical calculation at constant energy (1.14 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.