Need help applying mod in HMT

[TehPakki001]

I downloaded this mod by Sutaki... and really all i want is the pistol mod...

It gives you like 4 different files with skins and such... and i want to know how to apply them...

i kno how to do some stuff but if someone would tell me how .

Thanks a lot....

[Xe-Bec]

message me on aim x3bec i can try to help