EMG SAI Hi Capa 5.1 GBB Pistols - Steel Version (by AW Custom): specs, joules & FPS
Complete specs EMG GBB (gas blowback)
EMG SAI Hi Capa 5.1 GBB Pistols - Steel Version (by AW Custom): 1.01 J, 330 FPS, 1,160 g, 31 rounds. Official specs.
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 | EMG |
|---|---|
| Model | SAI Hi Capa 5.1 GBB Pistols - Steel Version (by AW Custom) |
| Category | Pistols |
| Power source | GBB (gas blowback) |
| Platform | HI-CAPA |
| Weight | 1,160 g |
| Length | 220 mm |
| Magazine | 31 rounds |
| Hop-up | Adjustable |
Weighs 1,160 g: heavier than 94% of GBB replicas in the same category in the database (466 with weight).
Similar alternatives
Replicas of the same type and category that stay within the Italian 1 J limit.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Novritsch SSP2 Gen2 GBB | 1 J | – | 957 g |
| SRC Dark Viper GBB Dual Power System GBB (Gas Version) | 0.84 J | 300 | 1,120 g |
| Golden Eagle Hi Capa 5.1 GBB (3302) | 0.95 J | 320 | 960 g |
| EMG John Wick 3 Taran Tactical Combat Master GBB (Steel Version) - by WE | 0.84 J | 300 | 1,240 g |
| EMG Taran Tactical Innovations 2011 Combat Master GBB (Distinct) | 0.84 J | 300 | 1,080 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 | 330 | 101 |
| 0.25 g | 295 | 90 |
| 0.28 g | 279 | 85 |
| 0.30 g | 269 | 82 |
| 0.32 g | 261 | 80 |
| 0.36 g | 246 | 75 |
| 0.40 g | 233 | 71 |
Theoretical calculation at constant energy (1.01 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.