This book investigates whether gun ownership serves as a distinct and predictive variable for understanding political behavior and attitudes in the United States. Mark R. Joslyn, a political scientist, utilizes empirical data and statistical modeling to argue that the divide between gun owners and non-gun owners—the "gun gap"—provides a more nuanced explanation for voter turnout, policy preferences, and ideological alignment than traditional demographic markers alone. By analyzing historical trends and specific electoral data, the author demonstrates how firearm possession correlates with specific views on safety, crime, and governance.

Experts in political science recognize this work as a focused contribution to the study of identity-based political behavior. Readers frequently note the academic density of the prose and the reliance on quantitative methodology to support the author's central thesis.