CYMA M4/AR15 MK16 CGS GBBR 11.5: specs, joules & FPS
Complete specs CYMA GBB (gas blowback)
CYMA M4/AR15 MK16 CGS GBBR 11.5: 1.41 J, 390 FPS, 2,815 g, 30 rounds. Full specs from the official source, with FPS for every BB weight.
Power
Above Italy's 1 J limit
Italian shops sell versions tuned below 1 J: ask the shop which version they ship.
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 | CYMA |
|---|---|
| Model | M4/AR15 MK16 CGS GBBR 11.5 |
| Manufacturer code | CYM-02-049748 |
| Category | Assault rifles & carbines |
| Power source | GBB (gas blowback) |
| Platform | AR15/M4 |
| Weight | 2,815 g |
| Length | 810 mm |
| Inner barrel | 280 mm |
| Magazine | 30 rounds |
green gas; lunghezza totale indicata, posizione calcio non specificata
Weighs 2,815 g: lighter than 55% of GBB replicas in the same category in the database (314 with weight).
Similar alternatives
Replicas of the same type and category that stay within the Italian 1 J limit.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Tokyo Marui M4A1 MWS | 0.95 J | 320 | 2,970 g |
| Tokyo Marui CQBR Block 1 GBB | 0.95 J | 320 | 3,110 g |
| Tokyo Marui MTR16 | 0.84 J | 300 | 2,676 g |
| Tokyo Marui MTR16 G Edition | 0.84 J | 300 | 2,676 g |
| Tokyo Marui Mk18 Mod 1 GBB | 0.84 J | 300 | 2,960 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 | 390 | 119 |
| 0.25 g | 349 | 106 |
| 0.28 g | 330 | 100 |
| 0.30 g | 318 | 97 |
| 0.32 g | 308 | 94 |
| 0.36 g | 291 | 89 |
| 0.40 g | 276 | 84 |
Theoretical calculation at constant energy (1.41 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 gunfire.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 ↗ gunfire.com
Spotted a wrong or missing value? Let us know.