RIFLE BONDED. PRECISION STOPPING POWER.Ultimate Defense Rifle Bonded ammunition features Core-Lokt Ultra Bonded (PSP CLUB) bullets comprised of a lead core that's metallurgically adhered to a progressively tapered jacket. Extensive FBI barrier testing proves consistent predictable expansion penetration and weight retention in every medium.It's the world-class performance you've come to expect from Remington Ultimate Defense ammunition. Also available in handgun and shotshell products Ultimate Defense is engineered to elevate your personal defense preparedness to a new level.Absolute reliability and peace of mind everywhere it matters most.