| Brand | Diamondback Firearms |
| SKU | — |
| UPC | — |
| Action | Semi-Automatic |
| Finish | Black |
| Weight | 6.6 pounds |
| Capacity | 30+1 |
| Grip Safety | No |
| Optic Ready | Yes |
| Barrel Length | 16 inches |
| Manual Safety | Yes |
| Overall Length | 36.25 inches |
| Trigger Safety | No |
| Caliber / Gauge | 5.56 NATO, .223 Remington |
| Threaded Barrel | Yes |
| Magazines Included | 1 |
| Ambidextrous Safety | No |
| Condition | New |
Diamondback Firearms DB15 Obsidian 5.56 NATO Black Rifle
Firearms ship to the FFL dealer you name at checkout. Price and stock are re-checked live when you order.
The Diamondback Firearms DB15 Obsidian is a semi-automatic rifle chambered for 5.56 NATO and .223 Remington. It combines forged 7075-T6 aluminum receivers with a 4150 chrome moly barrel, a mid-length direct-impingement gas system, and a shot-peened Mil-Spec 8620 bolt carrier group. A 15-inch M-Lok handguard provides flexible accessory mounting, while the A3 flattop receiver and full-length Picatinny rail support a wide range of optics. The Magpul MOE-K2 grip and Magpul CTR stock provide a comfortable, adjustable fit for range use, training, and general-purpose applications.
Key features
- Chambered for 5.56 NATO and .223 Remington
- 16-inch 4150 chrome moly barrel with a 1:8 twist rate
- Mid-length direct-impingement gas system for balanced cycling
- Forged 7075-T6 aluminum receivers for strength and reduced weight
- 15-inch M-Lok handguard with anti-rotation features and full-length Picatinny rail
- A3 flattop receiver is ready for optic installation with compatible mounts
The DB15 Obsidian delivers a versatile, configurable rifle platform with proven AR-style controls and accessory compatibility.
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