RIFLE: DIAMONDBACK FIREARMS MODEL DB15 RIFLE, SERIAL NUMBER DB2549933, BLACK (MATTE), CASE NOT INCLUDED, 17.5, 5.56 NATO, SEMI - AUTOMATIC, STICKER RESIDUE Notes: The Diamondback DB-15 is a modern semi-automatic rifle featuring a lightweight design and a versatile platform. Built with practical functionality in mind, the DB-15 offers a familiar layout, ergonomic controls, and compatibility with a wide range of AR-style accessories, depending on the specific configuration. Its combination of contemporary styling and adaptable design makes it a popular option for recreational shooting and firearm enthusiasts