The Diamondback DB15O (Diamondback part no. DB1784K061) is a 5.56 NATO AR-15 finished in Flat Dark Earth for shooters who want a rifle that looks as capable as it shoots. Diamondback Firearms equips this DB15O with an ambidextrous safety selector for fast manipulation from either shoulder, and an M-Lok free-float handguard that leaves room for a light, grip, and optic. The upper ships without fixed sights, ready for the optic of your choice. This rifle works well for home defense, range use, or as a distinctive addition to any AR-15 collection.

Key Specifications

• Chambered in .223 Remington/5.56 NATO.
• Barrel length is 16 inches.
• Rate of twist is 1-in-8.
• Overall length is approximately 34 inches.
• The safety selector is ambidextrous.
• The upper ships without fixed sights, ready for an optic.
• The handguard runs M-Lok compatible and free-float.
• The finish is Flat Dark Earth.
• Action type is semi-automatic.
• Magazine capacity is 30 rounds, with one Magpul PMAG included.

Frequently Asked Questions

Is the safety selector ambidextrous? Yes, allowing manipulation from either side of the rifle.

Does it include sights? No fixed sights are installed; the upper ships ready for an optic.

What magazine is included? One 30-round Magpul PMAG.

Buy the Diamondback DB15O 5.56 NATO Rifle, 16-inch, Flat Dark Earth, M-Lok

This FDE DB15O is a great pick from our AR rifles lineup. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.