Gotta be careful with the facts here. That’s a plastic training device which looks like a “genuine, (military-issue, full-auto) “assault rifle””. But the important thing is she knows how to use one instead of the demlosers who drag out the borrowed 10,000 dollar skeet gun for the ten minute photo op.
BTW, do you know where the vid of her actually letting off a 3-"round" burst can be found?