I've trusted my Remington 870 12 gauge pump action Express Combo for as many years as I've been hunting (well, at least since Santa brought me it for Christmas of 93). You all should know, if Santa brings you something, it has to be good. He's been making his list, checking it twice! I've had access to a 30-06 Remington, a 35 Remington as well as a .270 guess what...also a Remington. (Previously hunted in Rifle Country) I think every gun is as good as the next one. You just have to shoot it regularly. I've taken a lot of deer with my Shotgun. Does and Bucks. Like the old saying goes (I'm making this up right now, but it makes sense), When you miss...99% of the time it's the hunter, the other 1% it's the gun. From a financial aspect, I'm willing to use the Smooth bore gun I have. In other posts, I've claimed I don't shoot over 75 yards, and that's true. As a matter of fact, I shoot further with my Muzzleloader than I do with my shotgun, and in some cases I shoot further with my Bow than with my shot gun. I'm OK with that. So I take that into aspect. I've convinced a buddy of mine to also purchase an 870. We go pheasant hunting, as well as late season deer hunting together. The choice was simple. My father purchased an 870 this year, as he will be hunting with me in a Shotgun only zone for the first time. I'm excited about that. The bullets for a smooth bore are so much cheaper than a rifled barrel, and unless you plan to shoot 150 yards+ I wouldn't recommend it. Now, to be clear, I'm not claiming that the 870 is the greatest shot gun in the world. However, for the price I paid for the shotgun, the distance I'm shooting, and the "money I spent on ammo" to sight it in. If we're shooting 150 yards or less, I'd be able to put my slug the same place you put yours. Did I mention, I have iron sights? Yea, I shoot my gun quite a bit. Sure, the recoil isn't anything to be proud of, but hopefully something I post after the gun season in WI will be.
In conclusion, not only will the Phillies win the World Series, but in order for your gun to be as good as you want it to be, you have to make a serious effort at sighting it in, regardless of what type of shotgun you have. Pay attention to what's going on and be willing to sit there until your group is where you want it. All of this I believe is what can be accomplished with time on any shotgun.