Vortex M4P (Pistol style) HPA airsoft receiver

Introducing the Vortex HPA M4S Receiver – Bringing consistency and excellence to your airsoft experience! 🌀🔫

🌟 Purpose-built for HPA drop-in engines, this M4-style receiver is a game-changer in the world of airsoft customization. Say goodbye to gearboxes and welcome easy engine fitment with flawless alignment every time.

✨ Key Features:
1️⃣ Engine Compatibility: Tailored for most HPA drop-in engines on the market, ensuring versatility and performance excellence.

2️⃣ Trigger Board Compatibility: Designed to work seamlessly with a variety of trigger boards, giving you the freedom to choose your preferred setup.

3️⃣ Effortless Fitment: No more struggling with gearboxes – the Vortex HPA M4S guarantees easy engine installation for a hassle-free upgrade process.

4️⃣ Three Fire Positions: Enjoy a full range of tactical options with safe, semi, and full-auto modes, empowering you to dominate the battlefield.

5️⃣AEG Barrel and Handguard Compatibility: The upper is designed to accommodate AEG barrels, handguards, and barrel nuts, offering a familiar touch to your customization.

🛠️ Crafted with precision and innovation, the Vortex HPA M4S Receiver is your gateway to a new experience of airsoft excellence. Upgrade your game and embrace the power of customization.

Get ready for a superior airsoft experience – unleash the Vortex! 💨💥

Building Your HPA Receiver - Step-by-Step Guide

Parts You Will Need:
1. PolarStar F2 or Jack / Wolverine Inferno / Reaper / Pulsar S

1. Maxx Hop M4P (works with the original, remove bottom spring)

2. M4 Small Body Pin or M3x30 Screw

3. Mag Catch of your choice (or use supplied one with M2x5 screw and spring)

4. Trigger Board Screw (any from a standard gearbox)

5. Your choice of trigger (Speed Trigger recommended)

6. M2x5 Screw for the fire selector, and a spring with ball bearing from any M4 airsoft gun.

7. barrel length of up to 200mm ( if you require a different length hand guard let me know and i can make you one

8. 3 x M5/8mm Nuts

9. 2 x M5x25mm screws

10. Airsoft m4 safety lever spring.

Lower Instructions:

Step One: Install Mag Catch

Step Two: Place the full auto switch through the lower receiver from the inside. Attach the fire selector with the optional spring and ball bearing onto the peg, securing it with an M2x5 screw. Leave it in the (semi) position.

Lower is now ready for the trigger box.

Trigger Box Installation:

Step One: Install trigger board and secure with the trigger board screw.

Step Two (for FCU-based boards, Spartan boards skip to step three): Plug wiring connections into the trigger board, route the FCU and wiring around the peg, and through into the grip or buffer tube

Step Three: Install safety lever using a airsoft m4 safety lever spring

Step Four: Install trigger and trigger spring (if desired), then close the trigger box.

Step Five: Place the fire selector plate and trigger box together and slide them into the lower. Route the FCU and wiring down the grip or out the back to buffer tube and secure using a airsoft M4 body pin or an M3x30 screw.

The lower is now fully built.

**Upper Installations
Step One: Screw outer barrel onto upper using the barrel nut and handguard alignment ring. and attach handguard using 2x m5/25mm screws and 8mm nuts

Step Two:Place Maxx Hop into the upper receiver with the barrel spring attached.

Step Three: Attach the engine cap for your engine to the front of the engine and slide it into the upper receiver. Secure in place using the selected engines fitting plate

Step Four: Connect solenoid wire to the engine, put the lower and upper receiver together, and secure using the front body pin.

Your replica is now built.

Your replica is now built. 🛠️🔧🔫

Contact Us:

Have questions or need assistance? Feel free to reach out to us. Your Airsoft journey begins with the right gear, and our Vortex M4S is your ticket to unparalleled performance. Gear up, level up, and conquer the Airsoft battlefield!

0.2 layer height supports will be required for most parts
recommend using strong filament.
scaling and some sanding may be required depending on printer tolerances