M1911/M1911A1
The M9 took over from the M1911 because people thought 9mm bullets were as good as .45 ACP bullets.
'They thought 9mm bullets were just as good. The M9 is just a fancy version.' - Gun enthusiast
'People thought 9mm was just as good. The M9 is just a fancy upgrade.' - Cop
'They thought 9mm was as good as .45. The M9 is just a fancy version.' - Shooter