Why Are So Many Calibers Chambered in 7.62?
This video from Classic Firearms, featuring expert Matt, delves into the historical and technical reasons behind the widespread adoption of 7.62mm (or .30 caliber) cartridges across various firearms. It explores the evolution from early black powder rounds to modern smokeless powder cartridges, discussing the influence of metallurgy, pressure limits, and military requirements on caliber selection. The discussion covers iconic rounds like 7.62x39mm, 7.62x51mm NATO, and .30-06 Springfield, highlighting their design nuances and historical significance in firearms like the AK-47 and M14.













