Tokyo Marui 1911 Government Mark IV Series 70 GBB: specs, joules & FPS
Complete specs Tokyo Marui GBB (gas blowback)
Tokyo Marui 1911 Government Mark IV Series 70 GBB: 0.54 J, 240 FPS, 800 g, 26 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 | Tokyo Marui |
|---|---|
| Model | 1911 Government Mark IV Series 70 GBB |
| Category | Pistols |
| Power source | GBB (gas blowback) |
| Platform | 1911 |
| Weight | 800 g |
| Length | 220 mm |
| Magazine | 26 rounds |
| Hop-up | Adjustable |
Weighs 800 g: lighter than 53% of GBB replicas in the same category in the database (466 with weight).
At 0.54 J it is more powerful than 4% 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 |
|---|---|---|---|
| Tokyo Marui 1911 Government Green Gas | 0.54 J | 240 | 800 g |
| Tokyo Marui MEU Pistol | 0.54 J | 240 | 843 g |
| Tokyo Marui Tactical Master | 0.54 J | 240 | 740 g |
| Double Bell Chisato Detonics .45 GBB (797A) | 0.73 J | 280 | 810 g |
| Tokyo Marui Chisato Handgun (GBB) | 0.73 J | 280 | 780 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 | 240 | 73 |
| 0.25 g | 215 | 65 |
| 0.28 g | 203 | 62 |
| 0.30 g | 196 | 60 |
| 0.32 g | 190 | 58 |
| 0.36 g | 179 | 55 |
| 0.40 g | 170 | 52 |
Theoretical calculation at constant energy (0.54 J). Real-world values can differ slightly with hop-up and replica.
Video
Tokyo Marui M1911 Colt Government Mark IV Series 70 GBB - Nickel Finish #airsoft #soiairsoft · Sói Tuyết Airsoft
Video from an independent channel, matched by the replica name: check it is the same version. It loads from YouTube only when you press the button.
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.