WE XDM 4.5 inch Green Gas Airsoft Pistol (Licensed by Springfield Armory): specs, joules & FPS
Partial data WE GBB (gas blowback)
WE XDM 4.5 inch Green Gas Airsoft Pistol (Licensed by Springfield Armory), GBB: 1.01 J, 330 FPS, 840 g, 25 rounds. Official specs.
Power
Above Italy's 1 J limit
Italian shops sell versions tuned below 1 J: ask the shop which version they ship.
Estimated energy: the source does not give the BB weight, so we used 0.20 g, the standard weight manufacturers and shops use to measure velocity. With other BBs the value changes: always check with a chronograph.
For information only, based on the energy the manufacturer declares for this version. Not legal advice: always check current local law and the version the shop sells.
Technical specifications
| Brand | WE |
|---|---|
| Model | XDM 4.5 inch Green Gas Airsoft Pistol (Licensed by Springfield Armory) |
| Manufacturer code | n/a |
| Category | Pistols |
| Power source | GBB (gas blowback) |
| Platform | OTHER |
| Weight | 840 g |
| Length | 210 mm |
| Inner barrel | n/a |
| Magazine | 25 rounds |
| Hop-up | Adjustable |
| EAN / UPC | n/a |
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
Not declared by the manufacturer: Inner barrel.
Available colours
The same model is also sold in these colours. The specs on this page refer to the first version; each colour links to its own page at the source.