This is a factory built 18in upper with VG6 762 Gamma muzzle brake, Aero bcg, Aero ambi extended charging handle, and Aero lower. The only things that have been changed out are the CMC 2.5lb trigger and the MFT stock. Round count is 20. Scope is an Arken SH4 gen 2, 4-16x50. Let me know if you have any questions.
