Tokyo Marui Colt M4A1 RIS Version: specs, joules & FPS
Complete specs Tokyo Marui AEG (electric)
Tokyo Marui Colt M4A1 RIS Version, AEG: 0.81 J, 295 FPS, 3,367 g, 68 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.
The main source does not give the velocity: FPS taken from the page of the same model on www.airsoft-guns.eu.
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 | Colt M4A1 RIS Version |
| Category | Assault rifles & carbines |
| Power source | AEG (electric) |
| Platform | AR15/M4 |
| Weight | 3,367 g |
| Length (collapsed / extended) | 767 / 851 mm |
| Inner barrel | 364 mm |
| Magazine | 68 rounds |
| Gearbox | V2 (standard for this model) |
| Hop-up | Adjustable |
Weighs 3,367 g: heavier than 72% of AEG replicas in the same category in the database (873 with weight).
At 0.81 J it is more powerful than 31% of AEG replicas in the same category that stay within 1 J (138).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Real Sword (RS) Type 56 | 0.81 J | 295 | 3,500 g |
| Tokyo Marui Next Gen URG-I SOPMOD Block 3 | 0.84 J | 300 | 3,235 g |
| Tokyo Marui Next Gen Mk18 Mod 1 | 0.84 J | 300 | 3,210 g |
| Tokyo Marui Next Gen CQB-R | 0.73 J | 280 | 3,370 g |
| Tokyo Marui M4 S-System | 0.73 J | 280 | 3,400 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 | 295 | 90 |
| 0.25 g | 264 | 80 |
| 0.28 g | 249 | 76 |
| 0.30 g | 241 | 73 |
| 0.32 g | 233 | 71 |
| 0.36 g | 220 | 67 |
| 0.40 g | 209 | 64 |
Theoretical calculation at constant energy (0.81 J). Real-world values can differ slightly with hop-up and replica.
Data source
Every value on this page comes from the manufacturer's official product page, checked on 2026-11-07.
Official Tokyo Marui product page ↗ tokyo-marui.co.jp
Spotted a wrong or missing value? Let us know.