About the DB15

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, the Diamondback DB15 represents value and versatility all at a very affordable price. Contact your dealer or distributor TODAY for more information on the Diamondback DB15.


  • Model: DB1565GEMLB (Elite Black)
  • Caliber: 6.5 Grendel
  • Finish: Black Anodized Hardcoat
  • Barrel: Diamondback Barrels 18″, Mid-Length, Medium, 4150 CrMov, Black Nitride Finish
  • Twist Rate: 1:8 RH
  • Gas System: Mid Length Gas System
  • Bolt Carrier: Shot-Peened, Magnetic Particle Inspected Mil Spec 8620 carrier
  • Lower Receiver: Forged 7075 T-6 Aluminum
  • Upper Receiver: A3 Flattop Forged 7075 T-6 Aluminum, T-Marked
  • Handguard: 15″ M-LOK Rail
  • Enhanced Trigger Guard
  • Trigger Group: Mil-Spec
  • Pistol Grip: Hexmag Grip
  • Stock: Adaptive Tactical EX Buttstock
  • Mag: Aluminum 6.5 Grendel Mag
  • Muzzle Brake: DB .308 Muzzle Brake threaded 5/8 x 24