Northrop Grumman has unveiled a new medium calibre chain gun, M230 Link Fed (M230LF) Dual Feed Bushmaster, for enhanced flexibility and threat response on the battlefield. This next-generation ...

He grabbed three guns from the house -- a semi-automatic AR-15 assault rifle made by Bushmaster and pistols made by Glock and Sig Sauer -- and went to the elementary school wearing black fatigues ...