First AR build broke college student edition howd I do

KAK 12.5 mid length upper KAK down vented BCG Troy lower Radian ambi charging handle and safety Holosun AEMS Polonium 5.56 suppressor -Got scammed out of a magnifier so I’m stuck without for now but I’m looking for a good sling and flashlight recommendation - also need trigger recommendations I’m not a fan of the one I have now