Diamondback Firearms is proud to announce its NEW line of DB15 rifles made entirely in the USA. Starting with the tried-and-true, U. S. Military-proven gas-impingement system and using only the highest quality components machined in Diamondback's CNC facility. The DB15 raises the bar when it comes to features and performance when compared to others.  From the modified Diamondback aluminum four-rail handguard, to a variety of color, sight, and stock options.