... However, the process of removing the existing dust cover and replacing it without removing the hand guard and (sometimes) barrel nut is a PITA. This is a great solution.
I have done it that way. Scratches around the FA and lost split rings prevail.Typically, I remove the split ring from the front of the pin that holds the dust cover in place, and then pull the pin to the rear, past the forward assist to remove it.
Yeah, I bought a few of the unpopular colored ones for cheap. Less than 10 bucks each I think.Strike industries has something similar out for a few years now.