Outdoorsurveys, it's not too hard to do and it gives you a good chance to degrease/clean your new gun, but I do agree that it was a surprise to me that there were no custon fit bases around and that I had to take the gun completely apart to take out the tiny rubber inserts.
Benelli should ship the scope base kit with the gun if they are so hard to find. Also, it should put an insert in the manual for the procedure required to take out the plugs, or better still as I said before, use filler screws!!!