
There are some obvious differences over time. Mostly in the shape of the slide

The shape of the slide and barrel have changed as well as the sights

The older style KelTec sights wre dot above dot with white dots, while the newer style are a nothced rear with small blade front and no white paint


The newer (2006 model) weighs 7.8 ounces epty with no magazine while the older style weighs just 7.2 ounces


An unloaded KelTec P3AT magazine weighs just 1 ounce while a loaded P3AT magazine weighs 3 ounces
