- Caliber: 5.56 Nato
- Barrel: Diamondback Barrels 5.56, Mid-Length, 16 in., Medium, 4150 CrMov, Black Nitride
- Twist: 1:8 RH
- Gas System: Mid-Length
- BCG: Shot-Peened, Magnetic Particle Inspected Mil-Spec 8620 Carrier
- Upper: A3 Flattop Forged 7075 T-6 Aluminum
- Lower: Forged 7075 T-6 Aluminum [Diamondback Black Gold Lower] w/ Enhanced Trigger Guard
- Handguard: Diamondback 15 in. M-LOK (V-Rail) w/ Anti-Slip Texture Pads
- Grip: MOE K2 Grip
- Stock/Brace: Magpul CTR Stock
- Muzzle Device: Diamondback CNC DBSB-IV Flash Hider [1/2 x 28]
- Trigger: Standard
- Weight: 6.8 lb.
- Length (Collapsed): 32-3/4 in.
- Length (Extended): 36 in.
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. The Diamondback DB15 represents value and versatility at a very affordable price.