Tanaka Works S&W M13 FBI Special Heavy Weight Ver.3 Gas Revolver: specs, joules & FPS
Complete specs Tanaka Works Gas NBB (non-blowback)
Tanaka Works S&W M13 FBI Special Heavy Weight Ver.3 Gas Revolver, NBB: 0.84 J, 300 FPS, 680 g, 9 rounds. Official specs.
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 | Tanaka Works |
|---|---|
| Model | S&W M13 FBI Special Heavy Weight Ver.3 Gas Revolver |
| Category | Pistols |
| Power source | Gas NBB (non-blowback) |
| Platform | M10 M13 M19 |
| Weight | 680 g |
| Length | 155 mm |
| Magazine | 9 rounds |
| Hop-up | Fixed |
Weighs 680 g: lighter than 63% of NBB replicas in the same category in the database (226 with weight).
At 0.84 J it is more powerful than 66% of NBB replicas in the same category that stay within 1 J (178).
Similar alternatives
Same type and category, with similar power and weight.
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 | 300 | 91 |
| 0.25 g | 268 | 82 |
| 0.28 g | 254 | 77 |
| 0.30 g | 245 | 75 |
| 0.32 g | 237 | 72 |
| 0.36 g | 224 | 68 |
| 0.40 g | 212 | 65 |
Theoretical calculation at constant energy (0.84 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.