
Availability: In Stock
Current Stock: Out of stock
The Diamondback Firearms DB15 5.56x45mm is a compact, pistol-length AR carbine built on a platform that doesn't compromise on quality or shootability. With a 10-inch barrel, this rifle delivers the handling speed of a short rifle while maintaining solid velocity in the most common intermediate cartridge. It's at home for close-quarters shooting, hunting hogs or varmints where rifle mobility matters, or simply exploring what a compact 5.56 platform can do.
Diamondback barrels are known for holding tolerances, and this one is a 4150 CrMov steel with black nitride finish—a no-nonsense choice that resists corrosion and won't break the bank. The 1:8 twist rate handles a wide range of bullet weights effectively. A pistol-length gas system keeps the receiver impulse manageable and pairs well with the short barrel. The forged 7075 T-6 aluminum upper and lower are lightweight and durable; the A3 flattop upper runs standard Picatinny, and the A2 grip is familiar, reliable plastic. The 6-inch M-LOK handguard gives you rail real estate without clutter, and everything comes ready to attach optics or accessories.
Out of the box, you get a 30-round P-Mag, an A2 flash hider, a shot-peened and magnetically particle-inspected MIL-spec BCG, and a buffer tube with foam pad—the essentials to function. No sights are installed, which means you can pick optics that suit your mission. Whether you're a competitive shooter, a hunter who values compact gear, or someone exploring short-barrel rifle options, the DB15 gives you real features at a realistic price point.
| Caliber | 5.56 NATO |
| Barrel Length | 10 inches |
| Barrel Material | 4150 CrMov steel, black nitride |
| Twist Rate | 1:8 right-hand |
| Upper Receiver | Forged 7075 T-6 aluminum, A3 flattop with T-marks |
| Lower Receiver | Forged 7075 T-6 aluminum, Diamondback standard |
| Gas System | Pistol-length |
| Bolt Carrier Group | MIL-spec 8620 steel, shot-peened and magnetic particle inspected |
| Handguard | 6-inch M-LOK rail with barrel nut and screws |
| Grip | A2-style black plastic |
| Stock | Buffer tube with foam pad |
| Muzzle Device | A2 flash hider, 1/2" x 28 TPI |
| Trigger | Standard |
| Sights | None included |
| Magazine | 30-round P-Mag |
| Finish | Black hardcoat anodized |
The DB15 is chambered in 5.56 NATO, so it runs standard 5.56 ammunition as well as .223 Remington. The 1:8 twist rate handles a wide spectrum of bullet weights—from light 55-grain rounds to heavier 77-grain match loads.
No, the DB15 ships without iron sights or optics. The A3 flattop upper receiver features standard Picatinny mounting for optics, so you can install a red dot, LPVO, or scope to match your intended use.
You get the rifle, one 30-round P-Mag, and all necessary components for assembly and operation. The buffer tube includes a foam pad, and the muzzle comes equipped with an A2 flash hider.
The handguard is a 6-inch M-LOK rail mounted with a barrel nut and hardware. It provides solid mounting real estate for lights, lasers, or vertical grips without excess length.


SKU: 120913510 • Width: 9.1in • Height: 3.6in • Depth: 32in • Weight: 8oz





Availability: In Stock
Current Stock: Out of stock
The Diamondback Firearms DB15 5.56x45mm is a compact, pistol-length AR carbine built on a platform that doesn't compromise on quality or shootability. With a 10-inch barrel, this rifle delivers the handling speed of a short rifle while maintaining solid velocity in the most common intermediate cartridge. It's at home for close-quarters shooting, hunting hogs or varmints where rifle mobility matters, or simply exploring what a compact 5.56 platform can do.
Diamondback barrels are known for holding tolerances, and this one is a 4150 CrMov steel with black nitride finish—a no-nonsense choice that resists corrosion and won't break the bank. The 1:8 twist rate handles a wide range of bullet weights effectively. A pistol-length gas system keeps the receiver impulse manageable and pairs well with the short barrel. The forged 7075 T-6 aluminum upper and lower are lightweight and durable; the A3 flattop upper runs standard Picatinny, and the A2 grip is familiar, reliable plastic. The 6-inch M-LOK handguard gives you rail real estate without clutter, and everything comes ready to attach optics or accessories.
Out of the box, you get a 30-round P-Mag, an A2 flash hider, a shot-peened and magnetically particle-inspected MIL-spec BCG, and a buffer tube with foam pad—the essentials to function. No sights are installed, which means you can pick optics that suit your mission. Whether you're a competitive shooter, a hunter who values compact gear, or someone exploring short-barrel rifle options, the DB15 gives you real features at a realistic price point.
| Caliber | 5.56 NATO |
| Barrel Length | 10 inches |
| Barrel Material | 4150 CrMov steel, black nitride |
| Twist Rate | 1:8 right-hand |
| Upper Receiver | Forged 7075 T-6 aluminum, A3 flattop with T-marks |
| Lower Receiver | Forged 7075 T-6 aluminum, Diamondback standard |
| Gas System | Pistol-length |
| Bolt Carrier Group | MIL-spec 8620 steel, shot-peened and magnetic particle inspected |
| Handguard | 6-inch M-LOK rail with barrel nut and screws |
| Grip | A2-style black plastic |
| Stock | Buffer tube with foam pad |
| Muzzle Device | A2 flash hider, 1/2" x 28 TPI |
| Trigger | Standard |
| Sights | None included |
| Magazine | 30-round P-Mag |
| Finish | Black hardcoat anodized |
The DB15 is chambered in 5.56 NATO, so it runs standard 5.56 ammunition as well as .223 Remington. The 1:8 twist rate handles a wide spectrum of bullet weights—from light 55-grain rounds to heavier 77-grain match loads.
No, the DB15 ships without iron sights or optics. The A3 flattop upper receiver features standard Picatinny mounting for optics, so you can install a red dot, LPVO, or scope to match your intended use.
You get the rifle, one 30-round P-Mag, and all necessary components for assembly and operation. The buffer tube includes a foam pad, and the muzzle comes equipped with an A2 flash hider.
The handguard is a 6-inch M-LOK rail mounted with a barrel nut and hardware. It provides solid mounting real estate for lights, lasers, or vertical grips without excess length.
SKU: 120913510 • Width: 9.1in • Height: 3.6in • Depth: 32in • Weight: 8oz

