Umarex VFC MG4 LMG AEG: specs, joules & FPS
Complete specs Umarex AEG (electric)
Umarex VFC MG4 LMG AEG: 1.01 J, 330 FPS, 4,220 g, 4,900 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 | Umarex |
|---|---|
| Model | VFC MG4 LMG AEG |
| Category | Light machine guns |
| Power source | AEG (electric) |
| Platform | MG42 |
| Weight | 4,220 g |
| Length | 825 mm |
| Magazine | 4,900 rounds |
| Hop-up | Adjustable |
| Battery | 7,4 V LiPo · connector Deans (T-plug) |
Weighs 4,220 g: lighter than 81% of AEG replicas in the same category in the database (57 with weight).
Similar alternatives
Replicas of the same type and category that stay within the Italian 1 J limit.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Novritsch SSR249 Machine Gun | 1 J | 328 | 5,800 g |
| Classic Army M132 Micro Gun AEG | 0.84 J | 300 | 4,450 g |
| WELL PRO Arm-Mounted Mini Rotary AEG | 0.78 J | 290 | 3,380 g |
| WELL PRO M134 Mini Vulcan Rotating Gatling AEG | 0.78 J | 290 | 3,370 g |
| WELL PRO WE23-SL-1 Rotary AEG Minigun (Sport) | 0.78 J | 290 | 1,990 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.