Why Pay $659 Or More? New, In The Box, Diamondback DB1718B001 DB 15 300 BO AR Rifle W/16” Barrel & #0 Rd Mag Only $559!  SC Buyers must pay Sales Tax and pass a background check or provide current SC CWP.  Out-of-state Buyers must provide identification and pay for shipping to your chosen FFL after providing shipping information. Call or text 803-422-8460 or email [email protected] with questions or for specific payment information.  NW of Columbia in Chapin/Prosperity area.