I had a DPMS with a heavy barrel I shot in competition but they did not allow flattops.
No good way to mount a scope. My eyesight demands a scope now that I am old and decrepit.
I like the adjustable stock too.
I intend to torment the coyotes with it.

I like to do my hunting BEFORE I pull the trigger!
There is only one kind of dead, but there are many different kinds of wounded.