Umarex Glock 19 Gen 5 GBB (VFC G19 Gen 5): specs, joules & FPS
Complete specs Umarex GBB (gas blowback)
Umarex Glock 19 Gen 5 GBB (VFC G19 Gen 5): 0.78 J, 290 FPS, 620 g, 20 rounds. Full specs from the official source, with FPS for every BB weight.
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 | Umarex |
|---|---|
| Model | Glock 19 Gen 5 GBB (VFC G19 Gen 5) |
| Category | Pistols |
| Power source | GBB (gas blowback) |
| Platform | G SERIES |
| Weight | 620 g |
| Length | 210 mm |
| Magazine | 20 rounds |
| Hop-up | Adjustable |
Weighs 620 g: lighter than 89% of GBB replicas in the same category in the database (466 with weight).
At 0.78 J it is more powerful than 34% of GBB replicas in the same category that stay within 1 J (351).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Umarex Glock 17 Gen 5 MOS GBB (SRC G17 Gen 5 MOS) | 0.78 J | 290 | 660 g |
| RWC Custom Glock 19 Gen 4 GBB Type 2 | 0.84 J | 300 | 610 g |
| RWC Custom Glock 19 Gen 4 GBB | 0.84 J | 300 | 640 g |
| Umarex Glock 19 Gen 3 Green Gas (VFC G19 Gen 3) | 0.84 J | 300 | 650 g |
| Umarex Glock 19 Gen 4 GBB (VFC G19 Gen 4) | 0.84 J | 300 | 650 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 | 290 | 88 |
| 0.25 g | 259 | 79 |
| 0.28 g | 245 | 75 |
| 0.30 g | 237 | 72 |
| 0.32 g | 229 | 70 |
| 0.36 g | 216 | 66 |
| 0.40 g | 205 | 63 |
Theoretical calculation at constant energy (0.78 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.