This mod gives you gta 4 and 5 style weapon reloading

1.Works only on-foot and that too if ammo in the weapon
is not full just like reloading feature in other action
games work.
Press 'R' key in game to reload your guns.

2.In-game reloading sounds play when reloading the gun.

3.Ammo remaining in the clip is NOT removed and recycles
while reloading.

UPDATES(25/05/2015):-
NOW YOU CAN SET YOUR OWN KEY FOR RELOADING, SO THAT YOU CAN FEEL COMFORTABLE
WHILE USING THIS MOD.