Not barrel change but more like a recoil lug question or 12...

From what I've derived so far from the regular barrel swappers here, replacing the factory recoil lug is a benefit.

Is this a case where thicker is better? I've noticed aftermarket lugs in a variety of thicknesses (ie .200", .2285", .300", .50")

ANy one particular metal better than another? (Stainless, regular steel or chrome moly?)

Will additional thickness of the lug change anything about installing the barrel or barrel nut?

I see where aftermarket lugs have the sides paralleled. No doubt this is a benefit?

Anything else of importance an aspiring barrel swapper would need to know about recoil lugs in general?

As usual, thanks for the info.

Frank in Fla.