Specna Arms SA-VGS18 VAPOR: specs, joules & FPS
Partial data Specna Arms Gas NBB (non-blowback)
Specna Arms SA-VGS18 VAPOR, NBB: 1.01 J, 330 FPS, 2,050 g, 30 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 | SA-VGS18 VAPOR |
| Manufacturer code | SPE-02-047935 |
| Category | Shotguns |
| Power source | Gas NBB (non-blowback) |
| Weight | 2,050 g |
| Length | n/a |
| Inner barrel | 260 mm |
| Magazine | 30 rounds |
fucile a pompa a green gas: tipo non in elenco; lunghezza indicata come 57 senza unità
Weighs 2,050 g: lighter than 83% of NBB replicas in the same category in the database (12 with weight).
Similar alternatives
Replicas of the same type and category that stay within the Italian 1 J limit.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Tokyo Marui KSG | 0.95 J | 320 | 2,900 g |
| Tokyo Marui M870 Breacher | 0.58 J | 250 | 2,200 g |
| Tokyo Marui M870 Wood Stock Type | 0.58 J | 250 | 2,660 g |
| Tokyo Marui M870 Tactical | 0.58 J | 250 | 2,680 g |
| Maruzen M870 Black Version | 0.45 J | 220 | 2,550 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 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.