Investigated adolescents' aggressiveness in relation to their experiences, beliefs, and attitudes concerning gun use, also noting family composition, relationships with parents, and emotionality as correlates of gun involvement and aggression. Student surveys indicated links between gun ownership and recreational use, beliefs about gun use, and aggressiveness. Correlations were generally low and differed by gender. There were also some correlations with family composition, parent-child relationships, and personality traits. (SM)