tec 9 isn't the best lol, the aim with this pistol is shit. p250 is the best.
Tec 9 now has the best aim out of any pistol with the most recent patch. It has the slightly less damage as the P250, but also has the advantage of 32 bullet clips compared to 13 and a virtually 0 degrees of deviation spray pattern (better than p90). You probably haven't used it since the last patch.