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

Is the 7.62x39 the same as a .308? - Quora

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

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

Is the 7.62x39 the same as a .308? - Quora

How many bullets are in a clip 45? - 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

Is 45 70 stronger than 7.62x39 mm? - Quora

Is 45 70 stronger than 7.62x39 mm? - Quora

How many bullets can a soldier fire out of a typical light machine gun before having to change the barrel? What about a GPMG or HMG? - Quora

How powerful is the 7.62×43 mm SP-16 cartridge? - Quora

Is it true that the AK-47 outgun the M4? - Quora

Do copper bullets damage barrels? - Quora