Aero Precision 16" 5.56 Mid-Length Barrel w/ Pinned FSB, MOE® Mid-Length handguard with Holosun 510c and co witness riser. PSA Saber Lower with B5 stock and grip, radian safety, and hiper fire trigger. Microburst BCG and milspec charging handle. Has been shot and zeroed, approximately 50 rounds. Not interested in trades, low ballers will be ignored.