- Finish: Black coatings, with tactical rail.
- Length: 855mm
- Inner barrel: 345mm
- Weight: 4850g
- Bullet: 6mm
- Capacity: 32 rounds
- Power: 120m/s (395fps)
- Power source: 12KG GAS
- Year of manufacure: 2019
1. Real representation of fire control system (3-round burst mode).
2. Manganese phosphate surface treatment plus Cerakote coating of the body.
3. Integrated steel barrel plus steel gas tube.
4. Parallel connection designed lightweight magazine.
5. CNC processed fishbone rail (spec of M1913).
6. Authentic spec of both handguard and grip.
7. Folding-butt-stock design.
8. 553/551 kits released for user's choice.