Arrowmaster is right - for every hunter on here, they'll have a different suggestion for gun/choke/ammo! LOL It really depends on what works best for you.

I use a Rem 12 ga Super Mag w/ a Rhino choke & I've done best w/ a Winchester Supreme ammo. (3" - 5 Shot)

Definitely check out the archives, there's tons of info there. Good luck & let us know if you have questions or what you end up choosing!

Kim