I don't own either one of those guns. However, I have heard a countless amount of positive feedback about the Remington 870. Reliable, 'average-joe' price, easy maintence, oh and reliable. My vote on any pump action shotgun goes to the 870.

I had an older 835 and couldnt get the gun to pattern worth a crap with many different brands of shells and chokes. I now am shooting a remington 870 which i would pick over the mossberg any day.

benelli SBEII is a monster turkey gun if you have the 1500+bucks to shell out for it

I currently own a Mossberg 535 and have shot both the 535 and the 870 Remington. I prefer the Mossberg because it feels like more of a dedicated turkey gun then the Remington. Shorter, lighter, pre-tapped for any kind of optics you want to put on it. The Remington is defintely a workhorse but as far as a dedicated turkey gun I would choose the Mossberg.

The 870 was the first shotgun I used to kill my first tom, and actually I got my first hen with it as well. It was my dad's 870 Magnum and I loved it. Once I hit 18, I bought my own shotgun and I went with the 835 Ultimag. Still have it to this day, and not one issue with the boomstick. I have added a new stock and barrel, and it is now my designated home defense shotgun.

You should also think about a single shot shotgun for a designated turkey gun. I have a NEF/H&R Single Shot Turkey, and I am very impressed with it.

My dad has an 870 that has been sending critters to the great beyond for 30 years and I just got a new 870 this time last year and have already killed a turkey, 100+ doves, 47 ducks, and 7 geese. I can't even tell you how many rounds I've ran through it shooting clay pigeons. I abused my 870 pretty hard and and it still functions flawlessly. Basically I'm saying you can treat this gun like crap and it's still gonna shoot.