Thank you all for your responses!
For some odd reason, this assembly went together like clockwork (not like a Clockwork Orange). I thought about installing an A2 rear peep, but then I got to thinking that I have not had much luck. So, I thought that drilling it larger may be an easy way to go; the problem is that it is steel in a weird position. I am betting that I will leave it as it is: afterall, it aint broke, and with my luck, I would probably put the drill through my finger, not unlike
parking my machete in my leg last month while doing yard work. I am dangerous with simple hand tools, but put me in front of an optical comparitor, eddy current machine, magnaflux, dye penetrant, TIG, or plasma cutter, and I'm hell on wheels. Go figure.
I am very impressed with the fit/finish of the BM barrel assembly. I think that this will be the way I go in the future. The price of the BM barrel assemblies are very reasonable, with known quality. Building an AR from parts can easily save $150 off dealer/wholesale cost, and much more over retail. There is not all that much to assembling an AR: push pin "A" into hole "B". Building an AR is much easier than building an AK from a parts kit; I built three of them last year right after the AWB sunset.
I'll post a thread with my build, sooner or later.