RIFLE: ALG DEFENSE MODEL ALG-556, SERIAL NUMBER ALG556-001429, BLACK (MATTE), 16", 5.56 NATO, SEMI - AUTOMATIC Notes: LOOKING FOR A HIGH QUALTIY AR RIFLE? THIS ALG DEFENSE IS IN GREAT CONDITION AND IS CHAMBERED IN 5.56 NATO. ALG DEFENSE IS A SISTER COMPANY TO GEISSELE AUTOMATICS WHICH IS KNOWN TO BE ONE OF THE BEST COMPANYS PRODUCING AR-15 PARTS. THIS IS A QUALITY RIFLE IN VERY GOOD SHAPE, DON'T MISS YOUR CHANCE TO MAKE AN OFFER WHILE YOU CAN.