how do i get this ingame?

[MastaMac]

ive been tring for seems hours now but i downloaded the 9mm model here http://files.halomods.com/viewtopic.php ... ght=pistol

and i cant get it in game can some one please help me?

i would like it to replace the regular pistol with the 9mm if possable

[T1xAnton]

What platform of halo do you want it in?

[MastaMac]

i want it in halo pc sry i forgot to mention that