Remington Ultimate Defense Rifle Bonded .223 62 Grain Core-Lokt Ultra Bonded Pointed Soft Point Centerfire Rifle Ammo 20 Rounds. 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. Specifications for Remington Ultimate Defense Rifle Bonded .223 62 Grain Core-Lokt Ultra Bonded Pointed Soft Point Centerfire Rifle Ammunition: Manufacturer: Remington Caliber: .223 Remington Number of Rounds: 20 Bullet Type: Jacketed Soft Point (JSP) Bullet Weight: 62 grain Cartridge Case Material: Brass Muzzle Velocity: 3100 ft/s Muzzle Energy: 1323 ft-lbs Application: Self-Defense Package Type: Box Primer Style: Centerfire G1 Ballistic Coefficient: 0.234 Lead Free: No Package Contents: Remington Ultimate Defense Rifle Bonded .223 62 Grain Core-Lokt Ultra Bonded Pointed Soft Point Centerfire Rifle Ammunition What is Remington Ultimate Defense Rifle Bonded .223 62 Grain Core-Lokt Ultra Bonded Pointed Soft Point Centerfire Rifle Ammunition good for? The manufacturer thinks that it is good for self-defense.Remington 22107: Ultimate Defense Rifle Bonded .223 62 Grain Core-Lokt Ultra Bonded Pointed Soft Point Centerfire Rifle Ammo 20 Rounds