It was a Bushmaster. I'll give the police and press credit here. In this article they avoided reporting this as a "deadly, highpowered, extra-triple high capacity automatic assault rifle," which is the verbiage typically used. I'm ok with referring to a Bushmaster as a "military style rifle"; That's essentially what it is. A Springield, a 98 Mauser, a Garand, or M-1 Carbine could also be characterized as "military style rifles."
From what I've heard, the chief of police's first impulse was to blame the killer, stating he should never have been released, and (to my knowledge) didn't blame the rifle. either the chief and press involved here have their heads screwed on right, or we're making some progress.
A Bushmaster is indeed a “military-style” rifle in appearance, as it is a clone of the M16. In functionality, it is not.
I, also, commend the police chief if he blamed the shooter and not the weapon, and applaud him for not calling the Bushmaster an assault rifle. We’ll see if he changes his narrative after the mayor and city council have a talk with him.