I’m going to call Magpul to verify this week. The DPMS magazine is very well made and quite robust but 45 bucks a piece is too much for a magazine. The broken hammer is the big issue. The rifle itself isn’t junk but that trigger sure was. If it didn’t shoot as well as it does, I would be accurizing my FN FAL and it would be my go to gun. I’m going to shoot the hell out of this rifle this winter. If there are any other weak points, I’ll find them.
I’m betting it will be fine. DPMS makes a good rifle and they’ve been doing so for a long time. The hammer issue was probably a one off, as that is a very rare occurrence.
The single best upgrade I made on my AR10 was a CMC drop in trigger, so you might have replaced it anyway. Here is another good trigger option...........
I use PMAGS in both of my DPMS rifles.