[Last Edit: 9/15/2005 7:21:09 PM EDT by new-arguy]
The 3 models have a choice of a 2moa or 4moa dot. The 2 models only come in a 4moa dot. The 3 model is more submersible if that is of any interest to you. But the biggest improvement of the 3 model is it offers 50,000 hours of battery life over the 10,000 hours of the 2 models.
FDCC - 1* FL Defensive Carbine Club; www.fdcc.us/ Go chrome or go home!