AR-15 Cheese Grater Lower Receiver

Any of y’all trying to save some weight on a build? First he was like:

Then he was like:

If I was still building AR’s I’d keep one of these around to make some post-build Nachos.

Knowing the current state of the industry, some company is going to release this as an actual product.  At the very minimum I see a tangent product like a keymod cheese grater.

That felony hole tho  ( ͡° ͜ʖ ͡°).  Thoughts?

Gat tip: Maison