AMT sure got a bad rap, especially when they were lumped into the Ring of Fire with all those Kali lawsuits and junk gun companies. FWIW, High Standard has bought many of their old patents, so expect to see some familiar looking stuff being made under that name.
This is my AMT Govt. Model.
It's not made to GI specs so I don't know what Govt. has to do with it. If the Hardballer was made in a longer barrel, this is probably the same in the traditional barrel length.
Anyway, it's got an adjustable trigger and adjustable sights. It's my favorite 1911 in my collection. I also looked long and hard for an AMT for years and stumbled across this one in a pawn shop. Snatched it up quick!
I think you'll enjoy yours. Waiting on a range report when it gets there.