The Custom LEGO SMG MK1 is a detailed, fan-made LEGO MOC designed for builders who enjoy advanced LEGO mechanisms and realistic display models. This build focuses on mechanical function, clean shaping, and a compact tactical-inspired design—made entirely from standard LEGO elements.

This model includes a working charging handle, a functional trigger mechanism, and an adjustable stock with two positions (open and closed). Foldable front and rear sights add to the realistic look while maintaining a clean, display-ready profile.

Designed for experienced LEGO builders, this MOC emphasizes engineering, movement, and presentation, making it ideal as a shelf display piece, desk model, or mechanical LEGO showcase.

Features:

Working charging handle
Functional trigger mechanism
Adjustable stock (2 positions: closed & open)
Foldable front and rear sights
Strong, compact display structure

What’s included:

Digital building instructions (PDF)
Step-by-step assembly guidance
Designed using standard LEGO parts

Note: This is a digital product (instructions only). No physical bricks or printed materials are included.

🔹 Important Legal & Safety Disclaimer

This product is a fan-made LEGO model intended solely for display and mechanical demonstration purposes.

This MOC does not fire, cannot be modified to fire, and is not a functional weapon.
This product is not a toy and is recommended for teen and adult LEGO builders.
This model is not affiliated with, endorsed by, or sponsored by the LEGO Group or any firearms manufacturer.

LEGO® is a trademark of the LEGO Group, which does not sponsor, authorize, or endorse this product. Any references to mechanical features are purely descriptive of LEGO-based movement and design.

By purchasing these instructions, the buyer acknowledges that this is a static LEGO model intended for creative building and display only.

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