GSG-16 to MP5-ish Build

[Prometheus]

Wow nice build! I'm looking for a handgaurd if anyone can point me towards the right direction.

lighted G&P HG?

 

[b-wingpilot]

What was the material cost?

About $10 worth of steel

 

[Can-down]

About $10 worth of steel

No doubt....
Maybe it's a secret?

 

[Thorsbear]

This is incredible! Excellent work, very impressed