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Sparklabs WOLF Gen. 2 Semi Auto + MAXX Model · Alignment Kit V2.1 · SR-25 DMR AEG HPA

23,00 €
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Version 2.1 of the hop-up alignment system, designed for SR-25 DMR AEG HPA replicas with a V2.5 gearbox.

This kit is designed to combine the Sparklabs WOLF Gen. 2 Semi Auto engine with a MAXX Model hop-up chamber, ensuring stable positioning between the nozzle and the hop-up chamber. The assembly reduces lateral movement, improves feeding consistency, and helps maintain a solid setup for DMR builds. The WOLF uses an electromagnetic system with adjustable nozzle travel, allowing precise adaptation to the installed chamber. [154][209]

Compatibility

Component Compatibility
HPA Engine Sparklabs WOLF Gen. 2 Semi Auto
Hop-up Chamber MAXX Model
Base Replica SR-25 DMR AEG
Gearbox Extended V2.5

This model is designed for SR-25 V2.5 gearboxes. Always check your gearbox's internal geometry, nozzle length, and chamber seating before final assembly. Some SR-25 receivers may require minor adjustments to ensure the MAXX chamber and magazine feeding system operate without interference. [210][214]

What's Included in the Kit

  • Alignment base specifically designed for V2.5 SR-25 gearboxes.
  • Rear clip to stabilize the engine and gearbox assembly.
  • Front support to secure the MAXX Model chamber.
  • Side guide for the HPA line.
  • Rear plate designed for reinforcement with an M5 screw.

Installation and Adjustment

  1. Preparing the Parts

    • Print with 65%–80% infill.
    • Lightly sand the contact surfaces until a clean fit is achieved.
    • Apply dry lubricant or wax if you need to disassemble the assembly frequently.

  2. Installing the HPA Assembly

    • Install the Sparklabs WOLF in the V2.5 gearbox.
    • Install the MAXX Model chamber with the inner barrel, then secure its position using the front support.
    • Adjust the WOLF's nozzle travel stop so the nozzle enters the chamber centrally without excessive pressure.
    • Route the HPA line through the side support to prevent kinks or friction.

  3. Final Checks

    • Secure the rear plate with an M5 screw and washer if your setup allows it.
    • Manually check nozzle movement and magazine seating.
    • Perform feeding tests before adjusting pressure, dwell, and firing settings.

DMR Recommendations

  • Configure the WOLF for semi-automatic operation in accordance with your field's regulations.
  • Adjust power only within local legal limits and event rules.
  • Use heavier BBs and a suitable bucking and inner barrel combination for a stable DMR setup.
  • Do not force the nozzle against the chamber: proper alignment provides more reliable feeding than excessive pressure.

Required Components

  • 4× M3 × 4.2 mm inserts
  • 4× M3 × 8 SHCS screws
  • 1× M5 screw with washer for rear reinforcement, if the additional fastening method is used.

3D Printing Settings

  • Recommended Material: PLA+
  • Layer Height: 0.10 mm–0.15 mm
  • Recommended Infill: 65%–80%
  • Supports: Only if required by the part's print orientation
  • Finishing: Fine sanding of contact surfaces

Manuals

Installation and adjustment manuals are available in the Manuals section of the website or on the project's Discord server.