Ghost firearms upper and lower receiver and handguard. Primary arms bolt carrier group. 15inch barrel. Primary arms red dot. Utg 3x magnifier. Magpul buttstock. Magpul b.a.d. lever. Magpul ambidextrous sling attachment point. Comes with sling, as well. I forget the exact trigger I used but it a single stage. Only about 140 bucks for the trigger assembly. Open to reasonable negotiations.