Andeven the lowly 30-30 win has a flatter trajectory than a shotgun slug.
Stumble, take a look at the ballistics on your favorite 30-30 factory ammo.Then compare that to the 12ga Remington Core lokt Ultra's.I would likeyour honest opinion of which round you would think is a better deer round at ranges from 25-150yds.(Rifled shotgun ranges).
Rem data...
http://www.remington.com/products/ammunition/ballistics/shotshell_slug_loads.asp