Version 2.1 of the hop-up alignment system, specifically designed for M4 AEG HPA replicas using:
- RedLine N7 G2 engine (second-generation compact and modular HPA engine, optimized for drop-in installation in V2 gearboxes).
- Silent Industries ALPHA M4/16 AEG/HPA chamber (CNC chamber with TRUE-TDC system and lip tension ring, ideal for high-performance HPA configurations).
This version of ALPHA is from before 2026; the body is rounded.
This system ensures absolute centering between the N7 G2 nozzle and the ALPHA chamber, eliminating feeding variations and maximizing the efficiency of the pneumatic system. The geometry is adapted to the compact design of the RedLine N7 G2 and the CNC body of the ALPHA.
Compatibility
| Component | Compatibility |
|---|---|
| HPA Engine | RedLine N7 G2 |
| Hop-up Chamber | Silent Industries ALPHA M4/16 AEG/HPA |
| Base Replica | M4 AEG |
| Gearbox | V2 / ICS SPLIT |
What the kit includes
- Rear clip for mounting via rear pin or fixed stock.
- Base with housing for M3 inserts (optional brass, optimized for the compact profile of the N7 G2).
- Side clip for guiding the HPA tube/line.
- Front locking top cap specifically designed for the ALPHA chamber.
- Rear plate with mounting point for an M5 screw (additional reinforcement).
Required components (not included)
- 4× M3 × 4.2 mm inserts
- 4× M3 × 8 SHCS screws
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