MAXTACT Derringer Full Metal 6mm Green Gas: specs, joules & FPS
Complete specs MAXTACT Gas NBB (non-blowback)
MAXTACT Derringer Full Metal 6mm Green Gas, NBB: 0.37 J, 200 FPS, 390 g, 2 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 | MAXTACT |
|---|---|
| Model | Derringer Full Metal 6mm Green Gas |
| Category | Pistols |
| Power source | Gas NBB (non-blowback) |
| Platform | DERRINGER |
| Weight | 390 g |
| Length | 130 mm |
| Magazine | 2 rounds |
| Hop-up | Fixed |
Weighs 390 g: lighter than 94% of NBB replicas in the same category in the database (226 with weight).
At 0.37 J it is more powerful than 2% of NBB replicas in the same category that stay within 1 J (178).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Tanaka Works Revolver S&W M29 4inch Counterbored Steel Finish Ver.3 (Gas Version) | 0.73 J | 280 | 450 g |
| Tanaka Works S&W M29 PC 3inch Flat Side Steel Finish Ver.3 Gas Revolver | 0.73 J | 280 | 450 g |
| Tanaka Works S&W M36 2inch Steel Jupiter Finish Ver.2 Gas Revolver | 0.73 J | 280 | 450 g |
| ASG Lawman Gas Dual Tone | 0.61 J | 256 | 400 g |
| Tokyo Marui Python 357 2.5 inch (Stainless Silver) | 0.41 J | 210 | 500 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 | 200 | 61 |
| 0.25 g | 179 | 55 |
| 0.28 g | 169 | 52 |
| 0.30 g | 163 | 50 |
| 0.32 g | 158 | 48 |
| 0.36 g | 149 | 45 |
| 0.40 g | 141 | 43 |
Theoretical calculation at constant energy (0.37 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.
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.