I have owned a 1300 for many years now, shoots as true as it did the day I bought it.
As far as a self defense shotgun... I now have a ProMag Magazine Tube Extension 2-Round Matte Black. Buttstock Shotshell Ammunition Carrier 5-Round Elastic Black. With 2 2/3" shells I can get 8 in the tube, one in the chamber and 5 on the side - that gives me 14 rounds of 00 buckshot.
If I can't take care of business with that kind of fire power... well I guess I'm in real deep do-do anyway.
"A man can never have too much red wine, too many books, or too much ammunition"