more bullets and faster reload (its possible if u like to helP)

i have an idea that would change the world of modding. i need to know where the extended magazine (clip loader or whatever is called) is located in which .rez file if someone know which one its, he will lead into a modding revolution
it will help me make m16a3 into m416 CQB with 60 bullets and loads them 5 times faster than normal and with the best scope on the black markets
so if u know which one its tell me and i promise i will upload it once am done with it. (am kinda of busy guy)