Sierra's #9820 defense bullet, developed in partnership with SIG Sauer, sets a new standard in self-defense performance with stacked hollow point cavities for rapid expansion and a cannelure mid-shank for superior core-jacket integrity. Designed for optimal weight retention across all effective distances, this projectile delivers devastating terminal effects while maintaining Sierra's benchmark for precision accuracy. Launched in November 2015, it represents the ultimate in defensive bullet technology.

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WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).