Diamondback DB15O 5.56mm 16 Inch M-LOK Rifle Black Finish

The Diamondback DB15O 5.56MM Black 16" M-LOK Rifle from the Obsidian Series delivers tactical precision and dependable performance for shooters demanding quality and versatility. Chambered in 223 Remington | 5.56 NATO, this semi-automatic AR-style rifle is built with a forged 7075 T-6 aluminum receiver and finished in durable matte black anodized coating for long-lasting corrosion resistance.

Featuring a 16-inch threaded barrel with a 1-in-8 twist rate and a 1/2x28 thread pattern, the DB15O allows for easy installation of muzzle devices or suppressors. The 15" M-LOK rail offers broad customization options for mounting optics and accessories. The collapsible Magpul CTR stock with foam buffer tube pad enhances shooter comfort and control while reducing recoil impact.

With a lightweight 6.6 lbs frame and an overall length adjustable between 33" and 36.25", this rifle balances maneuverability with accuracy. It accepts a 30-round PMAG magazine, providing ample capacity for tactical and sporting use. The 2-position thumb safety ensures secure handling in any situation.

Key Features:

• Semi-automatic AR-style rifle chambered in 223 Rem | 5.56 NATO
• Forged 7075 T-6 aluminum receiver for strength and durability
• Matte black anodized finish for corrosion resistance and tactical aesthetics
• 16" threaded barrel with 1-in-8 twist rate for accuracy and compatibility
• 1/2x28 thread pattern for muzzle device attachment
• 15" M-LOK rail system for versatile accessory mounting
• Collapsible Magpul CTR stock with foam buffer tube pad for comfort and recoil reduction
• Comes with 30-round PMAG magazine included
• 2-position thumb safety for reliable firearm control

Specifications:

• Manufacturer: Diamondback Firearms
• Family: Obsidian Series
• Model: Obsidian DB15 Rifle
• Type: Semi-Auto Rifle
• Caliber: 223 Rem | 5.56 NATO
• Barrel Length: 16"
• Overall Length: 33" to 36.25" (adjustable stock)
• Finish Type: Matte Black Anodized
• Stock/Grips: Collapsible Magpul CTR Stock with Foam Pad
• Rate of Twist: 1-in-8
• Capacity: 30 + 1 rounds (30 rd. PMAG)
• Thread Pattern: 1/2x28
• Weight: 6.6 lbs
• Item Group: AR Style Centerfire Rifles

This Diamondback DB15O rifle is ideal for tactical applications, home defense, and sport shooting, combining reliability, customization, and ease of use in a lightweight package.