First Build: Geissele Upper on an ADM UIC Ambi Lower with OCL Polonium K

A first-time build pairing a Geissele upper and Super Duty rail with an ADM ambidextrous lower, finished with OD green Radian controls and a Radian carrier. It runs a RISE RA-242 trigger, a Holosun ARO green dot and RAID light, Magpul MBUS Pro sights, Die Free Co grips and an Otter Creek Labs Polonium K on a SilencerCo ASR mount.