G&G GPM1911 CP: specs, joules & FPS
Complete specs G&G GBB (gas blowback)
G&G GPM1911 CP, GBB: 0.78 J, 290 FPS, 950 g, 30 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.redwolfairsoft.com.
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 | G&G |
|---|---|
| Model | GPM1911 CP |
| Manufacturer code | GAS-GPM-19C-BBB-ECM |
| Category | Pistols |
| Power source | GBB (gas blowback) |
| Platform | 1911 |
| Weight | 950 g |
| Length | 223 mm |
| Inner barrel | 108 mm |
| Magazine | 30 rounds |
Weighs 950 g: heavier than 71% of GBB replicas in the same category in the database (466 with weight).
At 0.78 J it is more powerful than 35% of GBB replicas in the same category that stay within 1 J (343).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| EMG Cybergun Colt Licensed 1911 M45A1 GBB (T8) - FDE (by Army Armament) | 0.84 J | 300 | 950 g |
| Army Armament R28 1911 Green Gas | 0.73 J | 280 | 960 g |
| Army Armament R29 MK IV Cold Cup National Match Green Gas | 0.73 J | 280 | 940 g |
| Army Armament R30 Government Style M1911A1 Competition Green Gas | 0.73 J | 280 | 930 g |
| Army Armament x SP System Kimber 1911 GBB | 0.73 J | 280 | 970 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 | 290 | 88 |
| 0.25 g | 259 | 79 |
| 0.28 g | 245 | 75 |
| 0.30 g | 237 | 72 |
| 0.32 g | 229 | 70 |
| 0.36 g | 216 | 66 |
| 0.40 g | 205 | 63 |
Theoretical calculation at constant energy (0.78 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 G&G product page ↗ guay2.com
Spotted a wrong or missing value? Let us know.