223 vs. 5.56 - What's the Difference? - The Broad Side

The primary difference between 223 vs. 5.56 is pressure. In this article, we answer all of your questions about these popular AR-15 rounds.

5.56 Versus .223 The Rundown

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223 vs 5.56: Comprehensive Caliber Comparison by

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5.56 vs .223 Cartridge Ballistics Performance Comparison

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223 vs. 5.56: Ammunition Comparison and Overview

223/5.56 Brass (Fully Processed/Ready to Load) – Top Notch Brass

New Lake City Mil-Spec 223 (5.56) Brass 500 Rds

223 Remington 5.56 Nato Dummy Rifle Real Once Fired Casings New

400 FEDERAL XM193 556 FMJ 55 gr brass Ammo in Can 5.56

223 / 5.56 Mixed HS Primed Brass - 500ct - American Reloading