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PolarStar F2 + BEGADI NEPTUNE PRO Alignment kit for SR25 DMR

24,00 €
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Version 2.5 of the hop-up alignment system, designed specifically for SR25 DMR HPA (Designated Marksman Rifle) replicas using:

  • PolarStar F2 engine (dual-solenoid HPA engine optimized for long-range precision configurations).
  • BEGADI NEPTUNE PRO chamber (high-precision hop-up chamber designed for DMR setups, featuring micrometric adjustment and excellent support for heavy buckings).

This kit ensures perfect alignment between the F2 nozzle and the Neptune PRO chamber, eliminating any lateral play and maximizing shot consistency for long-range precision (up to 70m+). Optimized for long V2.5 gearboxes and compatible with ICS lowers, making it ideal for professional DMR builds.

Compatibility

Component Compatibility
HPA Engine PolarStar F2 (SR25 configuration)
Hop-up Chamber BEGADI NEPTUNE PRO
Base Replica SR25 DMR
Gearbox Long V2.5 / ICS SPLIT

What the kit includes

  • Reinforced rear clip for mounting on a long V2.5 gearbox using the rear pin or fixed stock.
  • Extended base with housing for M3 inserts (brass recommended for durability).
  • Wide side clip for routing the HPA tube/line in DMR configurations.
  • Front locking top cap designed specifically for the Neptune PRO chamber.
  • Rear plate with mounting point for an M5 screw (extra reinforcement for heavier builds).

Required components (not included)

  • 4× M3 × 4.2 mm threaded inserts (brass recommended for DMR builds)
  • 4× M3 × 10 mm SHCS screws (slightly longer for V2.5 gearbox)
  • 1× M5 × 16 mm screw + washer (for rear plate)