Diamondback Firearms DB15 Obsidian Series 6mm ARC Black Hardcoat Anodize Rifle
Caliber: 6mm ARC · Capacity: 26+1
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Specifications
Action Semi-Automatic
Ambidextrous Safety No
Barrel Length 18 inches
Caliber / Gauge 6mm ARC
Capacity 26+1
Finish Black Hardcoat Anodize
Grip Safety No
Magazines Included 1
Manual Safety Yes
Optic Ready Yes
Overall Length 38.25 inches
Threaded Barrel Yes
Trigger Safety No
Weight 6.8 pounds
Description
Product Overview
The Diamondback Firearms DB15 Obsidian Series is a 6mm ARC semi-automatic rifle built around forged 7075-T6 aluminum receivers and a reliable mid-length direct-impingement gas system. Its 18-inch medium-profile 4150 chrome moly vanadium barrel features a 1:7.5 right-hand twist, black nitride treatment, and a DB Obsidian muzzle brake attached to 5/8x24 threads. A 15-inch M-LOK handguard provides versatile accessory mounting with a full Picatinny rail and quick-detach sling mounts. Magpul MOE K2 and CTR furniture support comfortable handling, while the flattop receiver is ready for a separately selected optic. The rifle includes one 26-round metal magazine.
Key Features
- 6mm ARC chambering offers a capable intermediate rifle cartridge for target shooting and hunting applications.
- 18-inch medium-profile barrel uses a 1:7.5 right-hand twist and black nitride finish.
- Mid-length direct-impingement gas system supports balanced cycling and handling.
- Forged 7075-T6 aluminum upper and lower receivers provide a durable lightweight foundation.
- 15-inch M-LOK handguard includes a full Picatinny rail, anti-rotation design, and QD sling mounts.
- Magpul MOE K2 grip and CTR carbine stock improve control and adjustability.
The Diamondback DB15 Obsidian Series combines a practical AR-15 configuration with 6mm ARC performance and flexible accessory mounting.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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- SKU:
- DB1784V001
- UPC:
- 810035756281
- BUDS ID:
- 172495
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876Uncle Lee's - Greenville, KY
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| Action | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic | Semi-Automatic |
| Barrel Length (in.) | 18.0 | 16.0 | 18.0 | 16.0 | 18.0 |
| Caliber / Gauge | 6mm ARC | 5.56 NATO | 6mm ARC | 5.56 NATO | 6mm ARC |
| Finish | Black Hardcoat Anodize | Brown Cerakote | Blue/Black | Black | Blue/Black |
| Overall Length (in.) | 38.25 | 32.75 | 41.0 | 32.75 | 41.5 |
| Capacity | 26 | 30 | 28 | 30 | N/A |
| Manual Safety | Yes | Yes | Yes | Yes | No |
| Optic Ready | Yes | Yes | Yes | Yes | N/A |
| Threaded Barrel | Yes | Yes | Yes | Yes | N/A |
| Weight (lbs) | 6.8 | 6.7 | N/A | 6.7 | 8.0 |
| Sights | N/A | N/A | Standard Sights | N/A | N/A |
| Actions | Current Item |



