Version 2.1 of the hop-up alignment system, designed for M4 AEG / ICS split HPA replicas using:
- Sparklabs WOLF engine (electromagnetic HPA engine, highly efficient and compatible with standard V2 gearboxes, including ICS platforms and similar M4 builds).
- Silent Industries ALPHA chamber (CNC hop-up chamber for M4 AEG/HPA featuring TRUE-TDC system, lip tensioner, and fine load resistance adjustment).
This version of ALPHA 2026 features a body with square or flat angles, so the pre-2026 “rounded” model is not compatible with this kit.
This kit ensures a solid and precise alignment between the WOLF nozzle and the ALPHA chamber, improving feeding consistency and reducing BB positioning variations. The ALPHA chamber is especially recommended for HPA builds such as Wolverine, PolarStar, Gate Pulsar, and Sparklabs WOLF.
Compatibility
| Component | Compatibility |
|---|---|
| HPA Engine | Sparklabs WOLF |
| Hop-up Chamber | Silent Industries ALPHA M4/16 AEG/HPA |
| Base Platform | M4 AEG / AR15 / ICS |
| Gearbox | V2 / ICS SPLIT |
What’s included
- Rear clip for mounting via rear body pin or fixed stock.
- Base with housing for M3 inserts (brass optional).
- Side clip for routing the HPA line.
- Top locking cap specifically designed for the ALPHA chamber.
- Rear plate with mounting point for M5 screw (extra reinforcement).
Required components (not included)
- 4× M3 inserts × 4.2 mm
- 4× M3 × 8 SHCS screws
Recommended products
The most recent models added to the collection



