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

Why is ammunition so much more expensive for a bullet of a higher grain, for example, 149 grain .308 rounds can be purchased for around 49 cents per round where 168-grain rounds

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

What are the benefits of centerfire ammunition over rimfire ammunition? - Quora

Why is 7.62x39 (or something like this) replaced with lower caliber bullets? - Quora

Is there a dominant international manufacturer of ammunition? - Quora

Can you reload a 7.62x39 bullet into a 7.62x54r case to increase velocity at the expense of mass? - Quora

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

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

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

What is the best bullet weight for a 9mm? - 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

Guns and Firearms: What is the strongest 7.62x39mm cartridge? - Quora

Which is more powerful, pistol rounds or rifle rounds? For example, 5.56 vs 9mm, .45 ACP vs 7.62x39 and .44 magnum vs .308 Winchester. - Quora