+1 on Briley and their overly aggressive opening/polishing of M4 loading port. At a particular show a while back I noticed Briley had a booth and I was able to closely examine & handle a M4 with a nice loading port job they had on display. The port was deeply cut/angled towards the mag tube, and I mean very closely to the tube. However, the beveling lines, angles & polishing were really impressive, like bikini wax, of course to be clear it was a display booth showing off their work. I have made several calls to Briley to discuss their loading port opening process (spoke to Larry &
