airsoft gun
n.— «A sting operation by the Attorney General’s office found six Internet retailers and one local store owner illegally sold “look-alike” air rifles and BB guns to minors.…The guns, commonly called “airsoft” guns, are high powered, often semi- or fully automatic, and fire plastic or metal pellets that can cause serious harm.» —“Sting: Retailers Selling Illegal BB Guns To Minors” by Dan Rea CBS4Boston.com May 11, 2006. (source: Double-Tongued Dictionary)