Diamondback DB1718K061 DB15 Carbon Series 5.56 NATO 30+1 16" Black Nitride Threaded Barrel, Flat Dark Earth Cerakote Picatinny Rail Aluminum Receiver, Adjustable Black Synthetic Stock, Magpul MOE Grip

The Diamondback DB15 Carbon Series 5.56 NATO rifle is a reliable, modern AR-15 platform built for shooters who want a proven setup without compromise. This 16-inch mid-length gas system carbine delivers the versatility hunters, sport shooters, and tactical enthusiasts expect from a quality factory rifle. The flat dark earth cerakote finish over a forged 7075 T-6 aluminum receiver pairs durability with a clean, professional look that won't draw unwanted attention at the range or in the field.

Diamondback equipped this rifle with genuine mil-spec internals: a shot-peened, magnetic particle inspected 8620 carrier in a properly staked bolt carrier group, a standard mil-spec trigger, and a forged A3 flat-top upper receiver with Picatinny rail. The barrel is DBBarrels' own 16-inch 4150 CrMov with black nitride finish and a 1:8 twist—fast enough to stabilize heavier 5.56 loads and threaded for suppressors or muzzle devices. The A2 flash hider arrives pre-installed, giving you a shooter-ready package out of the box.

The furniture emphasizes ergonomics and modularity. You get Magpul MOE controls—the grip and adjustable carbine stock provide a solid, natural shooting position—and a 15-inch M-LOK rail with full Picatinny sections front and rear for mounting optics, lights, or other accessories. The gun ships with a Magpul Gen M2 30-round PMAG, so you're ready to load and shoot immediately. At 6.7 pounds unloaded and adjustable from 32.75 inches (collapsed) to 36 inches (extended), it handles well in tight spaces while maintaining sight radius for precision work.

This is a no-nonsense 5.56 AR for home defense, range days, hunting applications, or training. The combination of quality materials, mil-spec reliability, and smart ergonomic choices makes it a solid platform for upgrading or running as-is.

Key Features

• 16-inch 4150 CrMov barrel with black nitride finish and 1:8 RH twist; threaded for suppressors or muzzle devices
• Mid-length gas system for softer recoil and reliability
• Forged 7075 T-6 aluminum upper and lower receivers with flat dark earth cerakote finish
• Shot-peened, magnetic particle inspected mil-spec bolt carrier group and standard mil-spec trigger
• 15-inch M-LOK rail with full Picatinny sections and hand stop for flexible accessory mounting
• Magpul MOE grip and adjustable MOE carbine stock for shooter comfort and control
• Includes A2 flash hider and Magpul Gen M2 30-round magazine

Specifications

Frequently Asked Questions

What's included with the DB15 Carbon Series rifle?

The rifle ships with a Magpul Gen M2 30-round magazine, an A2 flash hider already installed on the threaded barrel, and is ready to shoot. No optics or sights are included, so you'll want to mount optics on the Picatinny rail of the upper receiver.

Can I mount an optic on this rifle?

Yes. The A3 flat-top upper receiver features a full Picatinny rail for mounting red dots, magnified scopes, or other optics. The 15-inch M-LOK handguard also has Picatinny sections front and rear for mounting lights, lasers, or other tactical accessories.

Is the barrel threaded for suppressors?

Yes. The 16-inch barrel is threaded 1/2 x 28 and comes with an A2 flash hider installed. You can replace the flash hider with a suppressor, muzzle brake, or other compatible 1/2 x 28 device.

What caliber is this rifle, and what does the 30+1 mean?

The DB15 Carbon Series is chambered in 5.56 NATO. The "30+1" designation refers to the 30-round magazine capacity plus one round that can be loaded in the chamber, for a maximum of 31 rounds on hand.