These two pics are Aluma-Hyde dark parkerizing grey on a BCM front sight post/gas block. I knew it wouldn't be an exact match but it's under my rail so I really don't care. Black was out of stock when I needed it.
http://dl.dropbox.com/u/5209291/Phot...%2034%20PM.jpg
http://dl.dropbox.com/u/5209291/Phot...%2000%20PM.jpg
