06-10-2011, 01:23 AM
Two of my 3 Grendels, as well as a couple of 5.56 AR's have the Adams Arms system.
I like them. My DI Grendel has a AA Overwatch upper and it has been anything but trouble free,chambering and cycling problems. My Adams piston uppers, home bilt have been trouble free.
I like them. My DI Grendel has a AA Overwatch upper and it has been anything but trouble free,chambering and cycling problems. My Adams piston uppers, home bilt have been trouble free.
