Diamondback120914288
Diamondback Firearms DB15 5.56x45mm 16" AR Rifle - Black (Model: DB1731K001)$877.50
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Availability: In Stock
Current Stock: Out of stock
The Diamondback Firearms DB15 5.56x45mm 16" AR rifle delivers solid, no-nonsense performance built right here in the USA. This mid-length gas system rifle combines proven mil-spec architecture with quality components machined in Diamondback's own CNC facility, giving you a versatile platform that handles range days, hunting, or home defense without the bloat of unnecessary features or the sticker shock of premium brands. If you want an AR that just works and won't break the bank, the DB15 in black is a straightforward choice for shooters who value reliability over hype.
The heart of this rifle is its forged 7075 T-6 aluminum upper and lower, paired with a 16-inch Diamondback 4150 CrMov barrel finished in black nitride—a time-tested combination that's proven across millions of military and civilian rifles. The mid-length gas system keeps things running smooth across a wide range of ammunition, and the 1:8 right-hand twist stabilizes both lighter and heavier 5.56 rounds. A shot-peened and magnetic particle inspected mil-spec bolt carrier group ensures durability, while the Diamondback CNC DBSB IV flash hider with 1/2x28 threading rounds out the barrel for cleaner muzzle behavior on the range.
Ergonomics lean practical: the Magpul MOE-K2 grip sits naturally in your hand, the Magpul CTR stock adjusts from 32¾" (collapsed) to 36" (extended) for fit and storage flexibility, and the Diamondback 15 M-LOK handguard with anti-slip texture pads gives you solid purchase and easy accessory mounting. You get a 30-round GEN 2 PMAG and standard trigger out of the box—nothing fancy, everything functional. At 6.8 pounds, it's light enough for extended shooting sessions without feeling cheap. Like most modern AR-15s, the DB15 plays well with the ecosystem of aftermarket parts and accessories, so customizing to your exact needs down the road is straightforward.
| Caliber | 5.56 NATO |
| Barrel Length | 16 inches |
| Barrel Material/Finish | 4150 CrMov, black nitride |
| Twist Rate | 1:8 RH |
| Gas System | Mid-length |
| Upper Receiver | Forged 7075 T-6 aluminum, A3 flattop with T-marks |
| Lower Receiver | Forged 7075 T-6 aluminum with enhanced trigger guard |
| Bolt Carrier Group | Mil-spec 8620 steel, shot-peened, magnetic particle inspected, with laser logo |
| Handguard | Diamondback 15 M-LOK with anti-slip texture pads |
| Grip | Magpul MOE-K2 |
| Stock | Magpul CTR (collapsible) |
| Muzzle Device | Diamondback CNC DBSB IV flash hider, 1/2x28 threading |
| Trigger | Standard |
| Magazine | 30-round GEN 2 PMAG (included) |
| Weight | 6.8 lbs |
| Length (Stock Collapsed) | 32¾ inches |
| Length (Stock Extended) | 36 inches |
| Finish | Black |
| Model | DB1731K071 |
Yes. The DB15 follows mil-spec architecture and works with most AR-15 aftermarket parts and accessories, so you can customize it to your needs with grips, optics mounts, rail systems, and other common components.
The rifle comes with a 30-round GEN 2 PMAG and is ready to shoot out of the box with its standard trigger and factory sights.
The DB15 features a mid-length gas system, which is designed to cycle reliably across a wide range of 5.56 NATO ammunition without being overly aggressive.
Yes. The Magpul CTR stock adjusts from 32¾ inches (fully collapsed) to 36 inches (fully extended), allowing you to customize the fit for your body size or when wearing body armor.
SKU: 120918636 • Width: 9.2in • Height: 3.5in • Depth: 39.9in • Weight: 8.25oz
Availability: In Stock
Current Stock: Out of stock
The Diamondback Firearms DB15 5.56x45mm 16" AR rifle delivers solid, no-nonsense performance built right here in the USA. This mid-length gas system rifle combines proven mil-spec architecture with quality components machined in Diamondback's own CNC facility, giving you a versatile platform that handles range days, hunting, or home defense without the bloat of unnecessary features or the sticker shock of premium brands. If you want an AR that just works and won't break the bank, the DB15 in black is a straightforward choice for shooters who value reliability over hype.
The heart of this rifle is its forged 7075 T-6 aluminum upper and lower, paired with a 16-inch Diamondback 4150 CrMov barrel finished in black nitride—a time-tested combination that's proven across millions of military and civilian rifles. The mid-length gas system keeps things running smooth across a wide range of ammunition, and the 1:8 right-hand twist stabilizes both lighter and heavier 5.56 rounds. A shot-peened and magnetic particle inspected mil-spec bolt carrier group ensures durability, while the Diamondback CNC DBSB IV flash hider with 1/2x28 threading rounds out the barrel for cleaner muzzle behavior on the range.
Ergonomics lean practical: the Magpul MOE-K2 grip sits naturally in your hand, the Magpul CTR stock adjusts from 32¾" (collapsed) to 36" (extended) for fit and storage flexibility, and the Diamondback 15 M-LOK handguard with anti-slip texture pads gives you solid purchase and easy accessory mounting. You get a 30-round GEN 2 PMAG and standard trigger out of the box—nothing fancy, everything functional. At 6.8 pounds, it's light enough for extended shooting sessions without feeling cheap. Like most modern AR-15s, the DB15 plays well with the ecosystem of aftermarket parts and accessories, so customizing to your exact needs down the road is straightforward.
| Caliber | 5.56 NATO |
| Barrel Length | 16 inches |
| Barrel Material/Finish | 4150 CrMov, black nitride |
| Twist Rate | 1:8 RH |
| Gas System | Mid-length |
| Upper Receiver | Forged 7075 T-6 aluminum, A3 flattop with T-marks |
| Lower Receiver | Forged 7075 T-6 aluminum with enhanced trigger guard |
| Bolt Carrier Group | Mil-spec 8620 steel, shot-peened, magnetic particle inspected, with laser logo |
| Handguard | Diamondback 15 M-LOK with anti-slip texture pads |
| Grip | Magpul MOE-K2 |
| Stock | Magpul CTR (collapsible) |
| Muzzle Device | Diamondback CNC DBSB IV flash hider, 1/2x28 threading |
| Trigger | Standard |
| Magazine | 30-round GEN 2 PMAG (included) |
| Weight | 6.8 lbs |
| Length (Stock Collapsed) | 32¾ inches |
| Length (Stock Extended) | 36 inches |
| Finish | Black |
| Model | DB1731K071 |
Yes. The DB15 follows mil-spec architecture and works with most AR-15 aftermarket parts and accessories, so you can customize it to your needs with grips, optics mounts, rail systems, and other common components.
The rifle comes with a 30-round GEN 2 PMAG and is ready to shoot out of the box with its standard trigger and factory sights.
The DB15 features a mid-length gas system, which is designed to cycle reliably across a wide range of 5.56 NATO ammunition without being overly aggressive.
Yes. The Magpul CTR stock adjusts from 32¾ inches (fully collapsed) to 36 inches (fully extended), allowing you to customize the fit for your body size or when wearing body armor.
SKU: 120918636 • Width: 9.2in • Height: 3.5in • Depth: 39.9in • Weight: 8.25oz