Originally Posted by Hunterapp
So what is our thoughts on an Aluminum receiver?
I like the switch barrel option.Think I like the new magazine, I like the switch out bolt face. Really like my old CZ 527's especially my re-barreled 6mm ARC. Truth be told Id likely see one of the 600's coming into my stable in years to come. We will see, not like I am in need of anything new.


Aluminum receiver raceway done well should be no sweat, ARs have had much more violent cycling for a long time. What I wonder if what the bolt lugs lock into? My Sig Cross has a steel headspaced barrel extension that the lugs lock into like an AR, maybe the 600 has something like that?