223 Remington vs. 5.56 NATO - What's the Difference? – Top Brass
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
5.56 NATO vs .223 Remington: What's the Difference?
223 vs 556: What's the Difference?
An Ode to the .223 Remington An Official Journal Of The NRA
223 vs 556 What Makes AR 15 Ammo Different?
The Best 5.56 Ammo of 2024
223 Remington vs. 5.56 NATO - What's the Difference? – Top Brass Reloading Supplies
223 vs 5.56- Facts & Myths – BRD Gun Works
Throwback Thursday: AR-15 .223 vs Mil-Spec 5.56mm Chambers
223 Remington vs. 5.56 NATO - What's the Difference? – Top Brass Reloading Supplies
224 Valkyrie vs 223 Remington
5.56 NATO vs .223 Remington: Differences, Performance, Ballistics & More
AR15 bullet (projectile) lengths .223 Remington/5.56 NATO