I have the Armalite clamp front shimmed with aluminum tape on a stepped down barrel, you can do this(beer can)? Or some guys remove material from the clamp area so it will squeeze down to .625 or so..
Interesting I am going to the Knights Micro Rear also , should work fine the military uses these on the 7.62 M110. And the Micro base does look small and I worried about it when clamping but it is steel instead of alumin like the Reg Knights rear. I guess we'll see but I like it so far.
Prob no range test till Jan...