take a look at the CMMG gas piston M-4. Buddy just got one from CDNN sports for about $1k. Shoots great and runs clean.
I was thinking about splurging for one of those, hows it working out? of course it doesn't matter now since I lost my guns in a mudslide .. yeah, that's it...a mudslide.
Not too many of those in Missouri, but they can be bad.
BTW, in case the original poster is interested, some videos from Brownells on building an AR
Thing’s a tack driver at 100 yards. Nice picatiny rail on top for accessories. Really does run very clean even when shooting Russian (Wolf) ammo.
Sorry to hear about the mudslide. Did I ever mention that I lost all my firearms and ammo in that boating accident? Still don’t remember why I thought cleaning all of them in a rowboat was a good idea...