The .45 ACP and 10mm Auto are two of the most popular large semi-auto pistol cartridges. In today’s market, fans of large-caliber pistols will eventually find themselves considering the 10mm vs .45 ...

A wider variety of 9mm pistols (left) is available, but the 10mm pistols (right) are part of a fast-growing category. The 9mm and 10mm are cartridges with only a millimeter of difference in bullet ...

The 10mm round, while less common, has a dedicated following. Developed in the 1980s, the 10mm was initially adopted by the FBI after a notable shootout where the 9mm’s stopping power was called into ...