Do I have the duty to teach you like your Papa? Can't you learn to use Google by yourself? A simple search show that the accident happened cause 25 deaths in 2008, Sept in LA
M14 only works as supplemenary rife in Iraqi war and for evey squad there is only one M14 while all the other rife are M16/M4
They discard M14 not M4. During the Vietnam war, they changed from 7.62mm M14 to 5.52mm M16
In your world, your Pakistan and Turkey are better than US, Russianand China
Unfortunately, 5.56 mm works better against an enemy wearing Kevlar compared to 7.62 mm
Firstly, it is impossible that it take 10:1 ratio for 5.56mm compared to 7.62mm.secondly, 7.62mm may be better for anti-terrorist work in mountain area, but the major duty of Pakistan army is against Indian in Pujab and Sindh boundary, and these areas are more suitable for 5.56mm gun