This file is modified it by myself to improve the weapons stats. This new weapon.dat has better features for almost all weapons availables on the game:

Better Range
Best Accuracy (2.0) in the range of 1.0 - 2.0f
All weapons are dual: Minigun, Desert Eagle Pistol, Silenced Pistol, Cop Pistol (Pistol), Sawnoff, SPAS12, Uzi, TEC9, MP5, AK-47, M4. Also this melee weapon: Cane
Better moving while firing
All fire weapons with "999" ammo in the individuals slots
And more... 


If any of you find any bug, let me know and I'll fix it.