556 vs 300 Blackout: The Ultimate Caliber Showdown
Imagine This: You’re standing in a gun store, staring at two AR-15 uppers: one chambered in 556 NATO, the other in 300 Blackout. Both promise reliability, power, and precision—but which one is right for your needs? The answer isn’t as simple as caliber specs. It’s about your goals: Are you a hunter chasing whitetail in thick brush? A home…