Two Cartridges Built for Entirely Different Jobs The 9mm and the 6.5 Creedmoor are not competing cartridges. They occupy opposite ends of the firearm spectrum, and the buyer choosing between them is a … read more

The Core Difference: Energy, Platform, and Purpose The 9mm and .357 Magnum are both proven defensive cartridges, but they live on different platforms and serve different primary roles. The 9mm is the … read more

The Glock 19 and SIG Sauer P365 are the two most popular 9mm pistols in America right now — and for good reason. Both are reliable, accurate, and proven in carry and defensive use. But they serv … read more

Reviewed by Ricky B., Staff Member · Last updated: May 5, 2026 The Core Difference: Bullet Diameter and Energy Delivery The 9mm Luger fires a .355-inch bullet; the .45 ACP fires a .452-inch bul … read more

The 9mm Luger and .380 ACP are the two most popular calibers for concealed carry pistols, and they are frequently compared because they fire the same diameter bullet (.355″) from similar-sized g … read more