WTS/WTT 300 Blackout Upper with 70 rounds of ammunition. The upper it self is self built and has been fired for around 100 rounds with zero issues suppressed. The build consist of 10.5" 300 blackout Criterion barrel, Geisslee handguard and upper (blem), radian charging handle and an OEM BCG. It is around $820 dollars brand new not including small accessories and another $80 in ammo. Asking $750 OBO. Decided I want to go buffer less which is why I am selling this upper. Open to trade offers.