The epicenter of your considerations for home-protection/self-defense is ammunition. Just what are those considerations when thinking about "preserve and protect?" #1: Absolute flawless dependability and reliability. That all your rounds go "BANG" when they must. #2: As much as humanly possible sure-shot accuracy when it's necessary to hit a target under impossible conditions. #3: That the bullet component is capable of stopping finalizing ending the danger. You want to put your faith in HSM.