Learn more about why people argue about 9mm vs. .45 ACP, why these two rounds have been hotly debated in the handgun world, and the pros and cons of both.
9mm vs. .45 ACP - Caliber Comparison - The Broad Side
9mm vs 45 ACP – A Different Kind of Comparison
9mm vs .45 — which really IS better?
9mm vs
45 ACP: The Most Powerful Military Pistol Cartridge Ever
Carry Calibers: .40 S&W Vs. .45 ACP Vs. 9mm - Gun Digest
9mm vs 45 ACP: Which Is Bettter for Self-Defense? - Sniper Country
9mm Vs 45 Has The Marine Corps Settled It?
Top 4 Ballistics Myths Most People Believe -The Firearm Blog
Choosing your first Handgun
9mm vs 45: Experts at Debate Two Pistol Calibers