The Diamondback DB15 is a mil-spec AR-15 style semi-automatic rifle chambered in 5.56 NATO with a 16 inch black nitride barrel, hardcoat anodized aluminum receivers, and a 12 inch M-LOK handguard. Built for recreational shooting, home defense, and tactical training, this platform delivers reliable performance at an accessible price point for new AR-15 owners and budget-conscious shooters.
Key Features
- Caliber: 5.56 NATO, accepts 223 Remington
- Capacity: 30+1 rounds with included magazine
- Barrel length: 16 inches
- Barrel material: 4150 Chromoly Vanadium steel
- Barrel finish: Black nitride
- Twist rate: 1:8 inch right-hand twist
- Gas system: Carbine-length direct impingement
- Muzzle device: A2 flash hider with 1/2-28 thread pitch
- Upper receiver: 7075-T6 forged aluminum with hardcoat anodized finish
- Lower receiver: 7075-T6 forged aluminum with hardcoat anodized finish
- Receiver finish: Black hardcoat anodize
- Handguard: 12 inch M-LOK free-floating rail system
- Stock: 6-position collapsible mil-spec carbine stock
- Grip: A2 style pistol grip in black
- Trigger: Mil-spec single-stage trigger
- Bolt carrier group: Shot-peened mil-spec 8620 steel with black finish
- Safety: Standard thumb safety selector
- Overall length: 32.75 to 35.25 inches
- Weight: Approximately 6.8 pounds
Special Features
- 7075-T6 aluminum receivers provide military-grade strength and durability while keeping weight manageable
- Black nitride barrel finish offers superior corrosion resistance and reduced friction compared to traditional chrome lining
- Shot-peened bolt carrier improves fatigue resistance and extends service life under high-volume shooting
- M-LOK handguard mounting system allows attachment of accessories without adding bulk or weight of traditional rail systems
- Free-floating handguard design eliminates barrel contact for improved accuracy potential
- Carbine-length gas system provides reliable cycling with a wide range of ammunition types
- Mil-spec components throughout ensure parts compatibility with aftermarket upgrades and replacements
- A2 flash hider reduces muzzle flash for better visibility during rapid fire or low-light shooting
- Flat-top upper receiver with Picatinny rail accepts all standard optics, red dots, and iron sight systems
- M4 feed ramps improve feeding reliability with various ammunition brands and bullet profiles
Practical Benefits
- 5.56 NATO chambering provides access to affordable and widely available ammunition for training and recreation
- 16 inch barrel length meets legal requirements in all states while maintaining good velocity and accuracy
- Carbine-length gas system offers proven reliability for general-purpose shooting applications
- Collapsible stock adjusts for different shooter sizes and accommodates body armor or heavy clothing
- M-LOK handguard slots permit easy installation of lights, lasers, grips, or bipods without tools
- Free-floating barrel design enhances accuracy compared to traditional drop-in handguards
- Black nitride finish simplifies maintenance and resists corrosion in humid or wet environments
- 30-round magazine capacity provides adequate ammunition for range training and defensive applications
- Mil-spec trigger is suitable for most shooting applications and can be upgraded as skills progress
- Threaded barrel allows installation of suppressors or muzzle brakes for shooters who want to customize performance
- Standard AR-15 platform means parts, accessories, and magazines are readily available and affordable
- Lightweight 6.8 pound weight reduces fatigue during extended shooting sessions or carry
The Diamondback DB15 in 5.56 NATO is a dependable option for shooters who want a mil-spec AR-15 platform with modern M-LOK mounting, quality construction, and reliable performance for training, home defense, or recreational shooting.
| MANUFACTURER | DIAMONDBACK |
| MODEL | DB15 |
| CALIBER | 5.56MM |
| TYPE | RIFLE |