So I was wanting to pick up a couple pieces of bolt-on rail for my MOE handguards. I have one section of the Ergo polymer rail and it seems really thick to me (and I've seen others say the same). I figure the aluminum bolt-ons can be thinner for the same strength, but I was wondering if there was any variation in the different brands of bolt-on rails - does someone out there make one that is thinner than others?

