The .300 Blackout vs 5.56 debate is one heard at many gun ranges. Which round is superior and do you need to go and get a .300 Blackout AR-15? answers!
5.56 vs. 300 BLK: Which Do You Need? - The Armory Life
300 AAC Blackout - Wikipedia
300 Blackout: Ballistics, Parts & Compatibility Guide - Gun Builders Depot
300 Blackout Ballistics vs. 5.56 NATO - Fenix Ammunition
300 Blackout vs 556 NAT0
300 Blackout vs 556: More than a Matter of Distance
300 Blackout vs 5.56: NOT Even Close?
300 Blackout vs 5.56mm NATO - 80 Percent Arms
300 Blackout vs. 5.56: Which is Better?
300 Blackout (BLK) vs. 5.56: What's Best For You? - Pew Pew Tactical
Testing 300 Blackout vs 5.56 - AmmoMan School of Guns Blog
300 Blackout vs 5.56 - Rifle Calibers Compared