by John | Oct 10, 2025 | 9mm G9 and Pistol Caliber
The 9mm G9 is a side-charging pistol-caliber carbine, or PCC. Whereas the G4 is chambered in 5.56, an intermediate rifle cartridge, the G9 is built around 9mm, a much more compact handgun cartridge. Whereas you will trade off a little bit of firepower (and effective...
