MIL spec only means made to a min max tolerance laid out in the Military orders one set of prints for all to use.

it isn't good or bad it is a set of prints to make parts from multiple companies come together and fit with all the others within reasonable tolerances.

clapped out weapons is a result of wear , age , neglect and bean counters.

our department went to a stipend and you buy your own side arm. People take better care of their own stuff.

that should be how our military works , you get a stipend amount to buy your rifle and side arm and you take them with you when you leave.