Looks like the RTI's
But would have their electro penciled import marking.

This hand guard must have been home made, having no holes thru the top...... or something made from a Commercial?

I'm curious Why the hole inside the Trigger loop?

Maybe a Magcatch to Safety Spring Plunger locked up?
Or a Plunger tip pulled off?
Then maybe drilled thru the front hole to remove ?

Remember the hand guard I pulled from a bulk box of them. It was home made by some one-