The Diamondback Firearms DB15 in Olive Drab Green is a battle-ready 5.56mm semi-automatic rifle built for reliability, precision, and versatile customization straight out of the box.
- 16" barrel chambered in 5.56 NATO and .223 Rem for proven stopping power
- 15" M-LOK free-float rail for maximum accessory and optic mounting flexibility
- Forged 7075-T6 aluminum upper and lower receivers for strength and durability
- Magpul MOE Carbine collapsible stock for an ergonomic, adjustable fit
- Includes one Magpul 30-round PMAG for competition-grade magazine reliability
- Striking Olive Drab Green finish for field-ready aesthetics and corrosion resistance
Who This Is For
The DB15 ODG is an excellent choice for tactical shooters, competitive marksmen, home defenders, and AR-15 enthusiasts who want a well-appointed, mil-spec-grade rifle ready for optics and accessories without requiring expensive upgrades. Its Magpul furniture and M-LOK handguard make it a strong platform for both range days and serious field use.
Specifications
| Brand | Diamondback Firearms |
|---|---|
| Model | DB15 |
| Caliber | .223 Rem / 5.56 NATO |
| Barrel Length | 16" |
| Handguard | 15" M-LOK Free-Float Rail |
| Receiver | Forged 7075-T6 Aluminum |
| Finish | Olive Drab Green (ODG) |
| Stock | Magpul MOE Carbine Collapsible |
| Magazine | 1 × 30-Round Magpul PMAG |
| Capacity | 30+1 |
| Sights | None (optics-ready) |
| Action | Semi-Automatic |
Frequently Asked Questions
What optics or accessories can I mount on the DB15's 15" M-LOK handguard?
The 15" M-LOK free-float handguard provides extensive real estate for mounting a wide variety of accessories, including foregrips, bipods, flashlights, lasers, and pressure pads. The flat-top Picatinny upper receiver also accepts virtually any optic — red dots, holographic sights, or magnified scopes — making the DB15 a highly versatile platform right out of the box.
Is the DB15 compatible with standard AR-15 magazines and parts?
Yes. The Diamondback DB15 is built to mil-spec AR-15 dimensions, meaning it is compatible with standard STANAG AR-15 magazines, aftermarket stocks, triggers, grips, and most other AR-15 components. The included Magpul PMAG is an industry-standard 30-round magazine that fits a wide range of AR-15 platforms.
What is the effective range and performance of the DB15 in 5.56 NATO?
The 16" barrel chambered in 5.56 NATO delivers excellent velocity and energy, with an effective range of approximately 500–600 yards for target shooting and up to 300 yards for reliable terminal performance in defensive or hunting applications. The .223 Rem / 5.56 NATO chambering also offers a broad selection of factory ammunition from premium manufacturers, making it easy to tailor your load for accuracy, range, or self-defense use.