The Pacific Tool looks the most stout.

Surprisingly, I hit up MDT to inquire about a LSS Chassis system for this rifle, and they told me the MDT mags do not work on their chassis with the Ruger 223 American Predator Rifle.

I have to buy a steel Ruger 223 scout magazine.

Say what?

“Live free or die. Death is not the worst of evils.” - General
John Stark.