[nittany lion fan]

I practice a variation of that drill from a low ready position. My club range has a steel stimulated hostage target at about 12 yards that contains a reactive 6" (more or less) circle behind and between the "hostages". My hit rate is very high, but it isn't 100%.

The misses leave me less than completely confident that I could make the shot you described 100% of the time - especially in a dynamic, high stress , life or death situation.

 

[nittany lion fan]

So lets amend the posts question. Simply put, can you put a round into a target that's 6" wide [ the length of a US dollar bill ] at 30 feet reliably?

Yes.