I've got a ACS and its great, I noticed its a little longer than some other stocks, I like being up close to the trigger. It feels like the same length of pull as 1 position out on a standard A2 style stock.
Also, picked up a Ergo Ti7 stock. It feels to be made with better quality materials than the magpul.
I got fde, but its not the same shade fde as magpul. It fits the buffer tube snugger than the magpul acs even with the lock on.
Ill be picking up a str eventually in fde, that's what I wanted but they were sold out of fde ones, and ill get plastic dye and make my ergo black.