By A Mystery Man Writer
Case cartridges for the 5.56 NATO (5.56 x 45 mm) and the .223 Remington are very similar. For all practical purposes, the external dimensions are identical, and one can effectively say that there exists no difference between the two. Both are designed to accommodate a .224 inch (5.56 mm) bullet between 40 to 85 grains
223 vs 556: What's the Difference?
5.56 NATO vs .223 Remington: What's the Difference?
Caliber Crackdown: 223 vs 556
223 vs 5.56- Facts & Myths – BRD Gun Works
The Best 5.56 Ammo of 2024
5.56 NATO vs .223 Remington vs .223 Wylde - 80% Lowers
223 vs. 5.56 - What's the Difference? - The Broad Side
Best 5.56 Ammo for Your AR: 2021 Ultimate Guide - Sniper Country
The Best 5.56 Ammo of 2024