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GATE Pulsar D2 + MAXX Model alignment kit for M4 AEG (v2.1)

23,00 €
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Version 2.1 of the hop-up alignment system, designed specifically for M4 AEG HPA replicas using:

  • GATE Pulsar D2 engine (compact dual-solenoid HPA engine with integrated electronic control and design optimized for V2 gearboxes).
  • MAXX Model chamber (high-precision hop-up chamber known for excellent bucking support and consistent feeding in HPA builds).

This system ensures perfect centering of the Pulsar D2 nozzle with the MAXX Model chamber, eliminating BB feeding variations and maximizing pneumatic efficiency in high-performance configurations.

Compatibility

Component Compatibility
HPA Engine GATE Pulsar D2
Hop-up Chamber MAXX Model
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).
  • Side clip for routing the HPA tube/line.
  • Front locking top cap for the hop-up chamber.
  • Rear plate with mounting point for an M5 screw (additional reinforcement).

Installation and adjustment

1. Printing and preparation

  • Print the parts with 65–80% infill.
  • Lightly sand internal and contact surfaces to ensure a clean fit.
  • Apply dry lubricant or wax on sliding surfaces if frequent maintenance is expected.

2. Installation in the replica

  • Insert the base into the lower and install the M3 inserts.
  • Mount the rear clip aligned with the rear pin or the stock mounting point.
  • Install the MAXX Model chamber with the inner barrel; the top cap locks the assembly in a precise position.
  • Route the Pulsar D2 HPA line through the side clip to prevent friction or bends.

3. Final fixation

  • Use an M5 screw with washer on the rear plate for maximum rigidity.
  • Verify that the GATE Pulsar D2 nozzle enters the MAXX Model chamber perfectly centered without lateral play.
  • Perform dry feeding tests and adjust the hop-up according to your BB weight and bucking.

Required components (not included)

Lower receiver recommendations

It is recommended to use the ICS metal lower receiver for maximum rigidity.

If you prefer to print your own lower part, the following Gearbox V2 Lower “Universal Lower Part” models are fully compatible:

  • Version 3
  • Version 4.2
  • Version 4.3 MTW

You can find them here:
https://lab.sychev.xyz/categoria/hpa-lower

3D printing parameters

  • Approximate print time: ~1 h 30 min
  • Recommended material: PLA+
  • Layer height: 0.10 mm – 0.15 mm

Manuals

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

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Frequently asked questions

What material and dimensions apply to GATE Pulsar D2 + MAXX Model alignment kit for M4 AEG (v2.1)?

The public product data does not declare a material or finished dimensions for this design. Check the images, downloadable files, and the exact manufacturing or printing setup before producing it.

What is GATE Pulsar D2 + MAXX Model alignment kit for M4 AEG (v2.1) compatible with?

The published tags and categories identify this design with m4, gate pulsar d2, maxx model, hpa, airsoft, alignment kit. Confirm the exact platform, revision, and mounting points before ordering.

How do I install or prepare GATE Pulsar D2 + MAXX Model alignment kit for M4 AEG (v2.1)?

Read the installation notes in the product description, inspect the supplied files and images, and test alignment before final fastening. The required tools, fasteners, printing parameters, or post-processing depend on the specific build.

What are the real-world uses for GATE Pulsar D2 + MAXX Model alignment kit for M4 AEG (v2.1)?

This design is intended for projects related to m4, gate pulsar d2, maxx model, hpa, airsoft, alignment kit. It is useful for a compatible repair, conversion, prototype, replacement, or custom build when the published fitment and project requirements match.