SAVIA M4 10.5 Inch MWS GBB (Naked Version) (MWS - Improved System): specs, joules & FPS
Complete specs SAVIA Gas NBB (non-blowback)
SAVIA M4 10.5 Inch MWS GBB (Naked Version) (MWS - Improved System), NBB: 1 J, 328 FPS, 2,150 g, 35 rounds. Official specs.
Power
Exactly at 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 | SAVIA |
|---|---|
| Model | M4 10.5 Inch MWS GBB (Naked Version) (MWS - Improved System) |
| Category | Assault rifles & carbines |
| Power source | Gas NBB (non-blowback) |
| Platform | AR/M4 SERIES |
| Weight | 2,150 g |
| Length | 630 mm |
| Magazine | 35 rounds |
| Hop-up | Adjustable |
Weighs 2,150 g: lighter than 89% of NBB replicas in the same category in the database (37 with weight).
At 1 J it is more powerful than 90% of NBB replicas in the same category that stay within 1 J (10).
Similar alternatives
Same type and category, with similar power and weight.
| Replica | Energy | FPS | Weight |
|---|---|---|---|
| Strike Industries EMG Strike Tactical 10inch (MWS System) GBB M4 | 1.01 J | 330 | 2,390 g |
| APS TX1 Xtreme GBB | 1.01 J | 330 | 1,880 g |
| Lancer Tactical SOLGW Licensed MK1 MWS GBB - Socom Version (by Angry Gun) | 0.95 J | 320 | 1,920 g |
| A Plus Airsoft A-Plus Noveske N4 GBBR (VFC M4 V3 GBB System) | 1.01 J | 330 | 2,540 g |
| A Plus Airsoft A-Plus Noveske N4 M4 GBB (VFC M4 V3 GBB System) | 1.01 J | 330 | 2,540 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 | 328 | 100 |
| 0.25 g | 293 | 89 |
| 0.28 g | 277 | 84 |
| 0.30 g | 268 | 82 |
| 0.32 g | 259 | 79 |
| 0.36 g | 244 | 75 |
| 0.40 g | 232 | 71 |
Theoretical calculation at constant energy (1 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.