Although studies have analyzed the effects of “stand your ground” (SYG) laws on violent crime, the question of why states are more likely to take measures to allow gun violence (albeit in self-defense) in the public sphere remains understudied in the literature. Using a fixed-effects event-history analysis of a panel of longitudinal state-level data for the period 2005–2012, we expand upon recent research by testing three competing perspectives on the adoption of SYG laws: group threat, political partisanship, and crime. Despite rhetorical framing of SYG laws as a means of self-defense from predatory criminals by gun-rights organizations, we find no effect of crime on the passage of SYG laws. Nor do we find evidence for group threat. Implications of these findings and directions for future research are discussed. Instead, results support the political partisanship view, providing further evidence of the politicization of gun policy in the contemporary United States.