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
Is the 7.62x39 the same as a .308? - Quora
Is .223/5.56 or 7.62x39 a more versatile round? Taking into account things like hunting, home defense, and plinking costs? - Quora
Why are 7.62x39mm Kalashnikov casings tapered? - Quora
Can you reload a 7.62x39 bullet into a 7.62x54r case to increase velocity at the expense of mass? - Quora
How expensive are 7.62mm bullets? - Quora
What is the difference between rimmed ammunition and rimless ammunition? - Quora
The HK G11 is a good example but it never saw military use, but what are some weapons currently in use by any military that fire careless ammunition? - 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
What ammunition does the AK-47 use? - 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
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 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 a good multipurpose round? By that I mean which round is capable of being shot from the largest variety of firearms? (full auto, semi-auto, bolt action, pistol, etc.) - Quora