What the actual instance of “arming” the Kurds will amount to, is to issue them MRE’s and somebody else’s cast-off sidearms. Oh, and some mismatched ammunition, as well.
They would do better to give them machetes.
But with some support that provides the Kurds with sufficient mobility, and field-grade artillery including JDAM systems, they would give a more than worthy response to the invaders now fracturing that legal fiction known as “Iraq”, a forced and artificial entity that should have splintered decades ago.