300 Blackout vs. 5.56 vs. .308 – The Ultimate Caliber Showdown

300 Blackout vs. 5.56 vs. .308 – The Ultimate Caliber Showdown When it comes to picking the right caliber, it’s easy to feel like a kid in a candy store—except the candy is really loud and can travel over 2,000 feet per second. Today, we’re diving into a friendly little rivalry between three heavy hitters: 300 Blackout, 5.56 NATO, and .308 Winchester. Each has its own strengths, quirks, and, yes, moments of glory. So grab your favorite beverage, and let’s break it all down. 5.56 NATO: The Lightweight Champ The 5.56 NATO is like that reliable buddy who always shows up to help you move but never brags about it. This caliber is the standard for military rifles across the globe and is known for its "just right" combination of speed and accuracy. We’re talking about a lightweight round that’s easy to carry—you can haul a ton of ammo without feeling like you’ve signed up for CrossFit.