RWA Battle Arms Development SBR M4 AEG: specs, joules & FPS
Complete specs RWA AEG (electric)
RWA Battle Arms Development SBR M4 AEG: 0.84 J, 300 FPS, 2,560 g, 120 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.
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 | RWA |
|---|---|
| Model | Battle Arms Development SBR M4 AEG |
| Category | Assault rifles & carbines |
| Power source | AEG (electric) |
| Platform | AR/M4 SERIES |
| Weight | 2,560 g |
| Length | 690 mm |
| Magazine | 120 rounds |
| Gearbox | V2 (standard for this model) |
| Hop-up | Adjustable |
| Battery | 7,4 V LiPo · connector Deans (T-plug) |
Weighs 2,560 g: lighter than 72% of AEG replicas in the same category in the database (873 with weight).
At 0.84 J it is more powerful than 38% 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 |
|---|---|---|---|
| RWA Battle Arms Development SBR AEG (US Edition) | 0.84 J | 300 | 2,560 g |
| RWA Battle Arms Development SBR M4 AEG (Liku Edition) | 0.84 J | 300 | 2,560 g |
| G&P Cracker AEG | 0.84 J | 300 | 2,600 g |
| EMG Troy Industries SOCC M4 AEG (7.6inch RIS, Black, by King Arms) | 0.84 J | 300 | 2,710 g |
| GBLS M4A1 Skeleton 14.5 inch AEG (C Marking) | 0.89 J | 310 | 2,510 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 | 300 | 91 |
| 0.25 g | 268 | 82 |
| 0.28 g | 254 | 77 |
| 0.30 g | 245 | 75 |
| 0.32 g | 237 | 72 |
| 0.36 g | 224 | 68 |
| 0.40 g | 212 | 65 |
Theoretical calculation at constant energy (0.84 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.