The Diamondback DB15 rifle (brand part no. DB1799K005) is a semi-automatic AR-15 pattern rifle chambered in 5.56 NATO/.223 Remington, built around a 16-inch barrel with a 1:8 right-hand twist for reliable accuracy across bullet weights. Diamondback Firearms ships this configuration Colorado-compliant with a single 10-round magazine, so buyers in magazine-capacity-restricted states get a ready-to-own rifle out of the box. Among AR rifles, the DB15 favors shooters who want a straightforward, reliable AR-15 at an accessible price.

Key Specifications

• The chambering is 5.56 NATO/.223 Remington.
• The barrel measures 16 inches.
• The rate of twist is 1:8 right-hand.
• The action is semi-automatic.
• It ships with one 10-round magazine, configured for Colorado compliance.
• The magazine well accepts standard AR-15 pattern magazines.

Frequently Asked Questions

Why does it ship with a 10-round magazine? This configuration is built Colorado-compliant, shipping with a single 10-round magazine.

What is the twist rate? 1:8 right-hand, suited to a wide range of 5.56/.223 bullet weights.

Buy the Diamondback DB15 Rifle

A reliable, Colorado-compliant 5.56 AR-15 is exactly what this DB15 delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.