Vortex M4SR HPA airsoft receiver

🌟 Introducing the Vortex M4SR - Elevate Your Airsoft Experience! 🌟

The Vortex M4SR stands at the pinnacle of airsoft innovation, blending cutting-edge performance with unparalleled realism. This M4-style receiver redefines the game with its meticulous design and host of advanced features.

✨ Key Features:

1️⃣ Realistic Aesthetics: Immerse yourself in the authentic feel of battle with a mock bolt catch, functional charging handle, and a sleek bolt dust cover. The M4SR delivers an unparalleled level of realism for the discerning airsoft enthusiast.

2️⃣ Engineered Precision: Designed for easy fitment of HPA drop-in engines, the Vortex M4SR ensures a seamless integration process. Say goodbye to cumbersome gearboxes – embrace the simplicity and power of direct engine installation.

3️⃣ Versatile Compatibility: The M4SR doesn't just stop at looks; it's built for performance. AEG grip and buffer acceptance enhance customization options, allowing you to tailor your setup to your liking. Adaptability meets authenticity!

4️⃣ AEG Barrel and Handguard Ready: Experience the freedom to choose your preferred barrel and handguard with the M4SR. Compatible with AEG barrels and handguards, this receiver opens up a world of possibilities for your unique airsoft build.

5️⃣ No Gearbox Requirements: Enjoy a hassle-free upgrade process with the M4SR. Skip the complexities of gearboxes and revel in the straightforward, gearbox-free design that maximizes efficiency and performance.

🚀 Elevate your airsoft game with the Vortex M4SR – where realism meets precision. Dominate the field with style and functionality like never before.
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. 4 x M3 Square nuts for grip mount

9. 3 x M5/8mm Nuts

11 2 x M5x25mm screws

1. Airsoft m4 safety lever spring.

2. airsoft bolt cover rod clip and spring

3. Airsoft charging handle spring and screw

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 upward (semi) position.

Step three: Install grip nuts and install grip to lower reciever.

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 saftey 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 outter barrel onto upper using the barrel nut and handguard alignment ring. and attach handguard using 2x m5/25mm screws and 8mm nuts

Step Two: attach charging handle using a an airsoft charging handle spring and screw

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

Step Four: 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 Five: 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.

0.2 layer height strong filiment recommended. supports required on most files.