Official /arg/ pastebin v1.1

>what AR do I build
SR-15 upper
SR-15 lower
>what magazines do I buy
Okay industries surefeed dry film lube or go fuck yourself
>what optic do I get
Aimpoint t2 or an ACOG
>what iron sights are best
The ones that come with your SR-15 upper
>what should I replace on my AR
Nothing. If you have to ask, you need to shoot your gun more.