FS Yankee Hill Machine Flip-Up Front Sight Gas Block Height

[Len]

For sale, Yankee Hill Machine Flip-Up Front Sight Gas Block Height .
I mounted this and then bought a scope, never fired the rifle with it in place.
So I guess its new, I don't have the box or anything, just the sight.
$old

[OC_Mike]

I'm interested.

PM inbound.