The ones I have are a bit wider in the point than the ones you get these days, BUT they come in 3in for a little extra thwack.
http://www.remington.com/ammo/shotshell/pcs_sabsl.htm
Accuracy is exceptional, producing groups of 2 ½ inches or less from Remington's fully-rifled slug barrels. The result is the most effective game-dropping performance of any known deer slug.
Thanks! I will check it out!