[ARCHIVED THREAD] - for the database

Posted: 10/17/2013 4:24:12 PM EDT

SN 124XX 3 prong, MP mark on barrel between FSB legs, s mark on barrel by flash suppressor, roll pin to hold on sling swivel, unmarked full circle bolt carrier with forward assist notches, MP marked bolt, edgewater buffer, + on receiver, no pinned buffer tube.