Ben & Brian,
All excellent points & undeniably valid.
I first came across the AUG in about '82 at an LE class put on by John Farnam.
Manny Kapelsohn was tag-teaming & had an AUG that he let the class look at.
Made an impression that never left & even though I'm heavily invested in ARs & AKs, always wanted to really try one out.
Never had any sustaining interest in a pup otherwise.
Long out of uniform, but I can see the AUG's advantages in certain areas & with the way the world's going I'm in the market for a compact car gun that can travel, maneuver out of the vehicle quick, and handle close-in as well as reach out a bit if it has to.
It would unquestionably have worked through house & building clearances very well back on the job.
A dot would be quicker in acquisition, I suppose, for close-up, but I also want decent range & nowdays I need magnification to get that. The various clamp-ons are always vulnerable, to some degree at least, to screws loosening or being knocked for a loop if they take a hard fall.
I also distrust electronics, and with no backup irons on the gun, I would not go with a dot-only approach.
Just me.
The main two issues are reliability/longevity, and weight.
If I spend the money on the AUG, it'd have to be largely a One Platform Deal from here on out, leaving the ARs & AKs in the vault.
I'm not getting any younger, and I could see the AUG's weight limiting its practical "life-span" more than the Colt Lightweight.
Get to a certain point in life & such things need consideration.
Denis