When I look at the EagleTac website I leave it even more confused than before.
They used to have 3 different series a couple of years back: P (professional); T (tactical); and M (Military).
Now they have D, P, T, S, M, G but I'm not sure what is the logic behind those letters.
I find the new D series is pretty well defined, the P seem to include only older models. Not sure about the T, S, M, and G though.
Is it just me finding it confusing?