100 Caliber Machine Gun
Nov. 8, 2024
USA 0.50"/72 (12.7 mm) M3M FN Herstal MG (GAU-21) - NavWeaps TIL After nearly 100 years of service the M2 .50 caliber machine gun is being upgraded and replaced with the new M2A1. : r/todayilearned M2 .50 Caliber Machine Gun | Military.com 100 Caliber Machine Gun