I went through this in 1991, through a "US Army NCO Professional Development Course." All the instructors were talking schit about the weapons qual portion, saying "we wouldn't qualify the same that we do at our home unit." They proceeded to ask every student what they usually qualify at, at home. Fukkin Expert, arsholes! Always! They bet me I wouldn't... I started asking questions, and they didn't have answers, but the only thing they would say is "We run it REAL here!" Alright, fuksticks...
These dipshits were running M16A2 rifles and left-over 55gr mil ammo. No poop, it's gonna be off a little, over a 300m 40-round pop-up range. I still shot 40/40, Expert. They were puzzled...
Afterwards, they got an education on ballistics, and a pretty intense After Action Review on how fukked up their weapons qualification portion of the course was, based on pure weapons idiocy of the entire cadre, the lack of the proper ammunition for the given weapons system, and pure cadre-cockiness.
Not long afterwards, from reviews from people I kept in touch with, they were shooting the fukking green tip through the A2s for the weapons qual. Fukkin bastards, and their schit-talking...