Don't do that nasty gas gun thing ....go to the "clean side" ....Benelli Inertia system...
The Super Sport ...is a nice / well rounded - with a lot of adjustability ...and easy to clean and lube ( the top of the receiver comes right off / exposing the bolt, etc ) when you remove the forend and the barrel ...
They make it in a 12ga and a 20ga ...( I bought a 20ga for the grandkids to shoot ) but I like the 12ga in a 30" barrel. Its a great "rain gun" and "travel gun" ....does everything pretty well.
http://thefiringline.com/forums/atta...6&d=1304972491
Its ugly ...but its very functional ...
http://cdn.benelliusa.com/assets/sil...sport_comb.jpg
Here's a better photo from Benelli website ( the black part of the receiver - comes right off ) ....the top part ...
( not that I'm ragging on the gas gun guys .../ well maybe a little .../ and as you know, I'm mostly a Browning O/U guy ...but the Benelli super sport has been a pretty nice gun / had it for about 7 or 8 yrs I guess.