"Opinions from other Courts of Appeals should assist this Court’s ultimate decisionmaking on the AR–15 issue. Additional petitions for certiorari will likely be before this Court shortly and, in my view, this Court should and presumably will address the AR–15 issue soon, in the next Term or two."
It sounds like Kavanaugh wants to rule for us (or why comment?), but can't quite do it yet. Haven't the 1st and 4th Circuits already refused to rule according to SCOTUS precedent? It would seem that would "assist" the Court sufficiently.
Here's the the SCOTUS site's link to the order. Scroll down to page 18 to start reading. Not surprisingly, Justice Thomas had something to say as well.
https://www.supremecourt.gov/orders/courtorders/060225zor_4f15.pdf