Why is virtually all commercial and military ammunition for the 7.62x39mm loaded with the same bullet weight of 123gr? Does the cartridge not perform well with lighter of heavier bullets? - Quora

Answer (1 of 9): 7.62x39mm can certainly be customized to suit particular use better - be it changing the bullet weight, composition, or powder load. But, there’s just really no commercial demand for it. One reason is monolithic market for the guns that utilize the round - mostly AK variants and

Does Russia still use 7.62 x39? - Quora

Liberals say AR-15s and AK-47s (semi-auto variants) fire high velocity bullets that have more energy. Are there other bullets the military has used that are more powerful? - Quora

Does the 7.62x39mm has better stopping power than the 5.56 in FMJ format? I have heard that the 5.56 round actually does more damage, because of its tendency to yaw and fragment

What is the length of a 7.62x39mm bullet? - Quora

Is a cartridge a bullet? - Quora

Why are 7.62x39mm Kalashnikov casings tapered? - Quora

Having used it in combat, do you consider the .556x45 adequate for modern combat? Would you prefer a full-sized round like the 7.62x39? - Quora

What would happen if one attempted to fire a 7.62x51mm round from a rifle, which is specifically made to use the 7.62x39mm round as standard ammunition? - Quora

What is the difference between blank rounds of bullet and live rounds? - Quora

What is the difference between a bullet, cartridge and kartoos? - Quora

How much gunpowder does a 123 grain 7.62x39 cartridge contain? - Quora