

Cannelures provide positive case crimp, making Sub-X® ideal for semiautomatic weapons. Long grooves in its gilding metal jacket combine with its flat profile and the patented Flex Tip® insert within the bullet’s hollowpoint cavity to help it expand reliably at low velocities. Sub-X® (Subsonic - eXpanding) bullets deliver big results without a big bang! Designed to provide deep penetration below the speed of sound, Sub-X® features a lead core. By accepting these terms, you agree that you alone are solely responsible for your own safety and property as it pertains to activities, procedures, techniques, or practices described in whole or part on this website.įrom the Hornady SUB-X product page: Reliable subsonic expansion.Ultimate Reloader, LLC and Making With Metal can not be held liable for property or personal damage due to viewers/readers of this website performing activities, procedures, techniques, or practices described in whole or part on this website.Do not attempt to repair or modify any firearms based on information on this website.All gunsmithing procedures should be carried out by a qualified and licensed gunsmith at their own risk.Do not attempt any of the processes or procedures shown or described on this website.The content on this website (including videos, articles, ammunition reloading data, technical articles, gunsmithing and other information) is for demonstration purposes only.

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