Diamondback DB15 5.56x45mm NATO 30+1 16" Chrome Moly Barrel, Black Hard Coat Anodized Receiver, FDE Magpul Carbine Stock & Grip DB175AK221

Diamondback DB15 — 5.56×45mm NATO, 30+1, 16" Chrome-Moly Barrel, Black Hard-Coat Anodized Receiver, FDE Magpul® Carbine Stock & Grip (DB175AK221 • UPC 810035755475) Lightweight, dependable, and range-ready out of the box. The Diamondback DB15 chambered in 5.56×45mm NATO blends a 16" chrome-moly barrel with a durable black hard-coat anodized receiver set and mission-ready FDE Magpul® furniture, including a carbine stock and MOE®-style grip. With a 30+1 capacity, mid-length ergonomics, and modern AR-15 features, this DB15 is an ideal choice for new owners and seasoned shooters who want a reliable carbine for training, home defense, and weekend range time. Why Choose the Diamondback DB15 (DB175AK221) Proven 5.56×45mm NATO chamber: Compatible with 5.56 NATO and .223 Remington, giving you broad ammo flexibility for practice and performance. 16" chrome-moly barrel: Durable steel for long service life and consistent accuracy; the sweet spot for velocity, maneuverability, and accessory compatibility. Hard-coat anodized receiver: Black Type III anodizing on the upper/lower resists abrasion and corrosion for a clean, professional look that lasts. Magpul® FDE furniture: Carbine stock and ergonomic FDE grip deliver improved control, better shoulder weld, and comfortable handling—plus a distinctive two-tone aesthetic. 30+1 capacity: Accepts standard AR-15 pattern magazines for reliable feeding and quick reloads. AR-15 ecosystem ready: Standard interface for optics, lights, slings, and muzzle devices means effortless customization as your needs evolve. Standout Features at a Glance Caliber: 5.56×45mm NATO (.223 Rem compatible) Capacity: 30+1 (AR-15 magazines) Barrel: 16" chrome-moly steel; threaded muzzle (device may vary by package) Receivers: Black hard-coat anodized Furniture: FDE Magpul® carbine stock & grip Controls: Standard AR-15 layout with familiar safety and magazine release Model / UPC: DB175AK221 / 810035755475 Performance You’ll Notice Balanced handling: The 16" configuration keeps weight forward for a steady sight picture while remaining quick in and out of positions. Comfortable ergonomics: Magpul® grip texture and carbine stock improve control for long range sessions and dynamic drills. Optics-ready design: Add your preferred red dot, LPVO, or magnified optic and confirm zero—no proprietary footprints required. Customization-friendly: From triggers to rails and muzzle devices, the DB15 plays nicely with the massive AR-15 aftermarket. Pro Tip: Pair the DB15 with a quality 1–6× LPVO or a durable red dot plus flip-up irons. Confirm torque on mounts, witness-mark your screws, and re-check zero after your first 100 rounds. Ideal Use Cases Range training & drills: Reliable cycling and comfortable ergonomics make reps efficient and enjoyable. Home & property defense: Modern accessory compatibility supports white lights, slings, and optics for low-light confidence. Skill development: An accessible platform for trigger work, reload mechanics, and positional shooting. Specifications Manufacturer: Diamondback Firearms Model: DB15 SKU: DB175AK221 UPC: 810035755475 Caliber: 5.56×45mm NATO (accepts .223 Rem) Capacity: 30+1 Barrel Length: 16", chrome-moly steel, threaded Receiver Finish: Black hard-coat anodized (upper & lower) Stock: Magpul® carbine (FDE) Grip: Magpul®-style ergonomic grip (FDE) Operation: Semi-automatic, direct-impingement pattern (typical) Sights/Optics: Optics-ready; sight package may vary by distributor Muzzle: Threaded; device may vary (check listing) Overall Length & Weight: Varies slightly by configuration; verify current listing Note: Specifications such as gas system, twist rate, handguard type, and included magazine may vary by production batch—always confirm the current product listing. What’s in the Box (Typical) Diamondback DB15 5.56×45mm rifle Magpul® FDE stock & grip installed 30-round magazine (where legal) Owner’s manual & lock Compliance & Ownership Know your local laws: Magazine capacity and rifle feature restrictions vary by state and municipality. Ensure this configuration is compliant in your area before purchase and transfer. Safe handling: Always follow the four rules of firearm safety; use quality ammunition from trusted manufacturers. Care & Maintenance Break-in & lube: Heavily lube bolt carrier rails for the first session; verify function with your chosen ammo. Clean intelligently: Focus on the bolt carrier group, chamber, and gas system; avoid over-cleaning the bore. Torque & threadlocker: Confirm mount and accessory torque; use blue threadlocker where appropriate and re-check after the first range day. SEO Metadata (Merchant-Ready) SEO Title: Diamondback DB15 5.56 NATO — 16" Chrome-Moly Barrel, Black Anodized Receiver, FDE Magpul Stock & Grip (DB175AK221) Meta Description (≤160 chars): Diamondback DB15 5.56 NATO with 16" chrome-moly barrel, black anodized receiver, and FDE Magpul stock & grip. 30+1 capacity. Model DB175AK221. Target Keywords: Diamondback DB15 5.56, DB175AK221, 16" chrome moly AR-15, black anodized receiver AR, FDE Magpul stock and grip, 810035755475 Alt Text (Images): “Diamondback DB15 5.56 rifle with 16-inch chrome-moly barrel, black anodized receiver, and FDE Magpul stock/grip (DB175AK221).” FAQ Q: Will the DB15 run .223 Remington? A: Yes. A 5.56 NATO chamber is compatible with .223 Rem and 5.56 NATO ammunition. Q: What optics should I choose? A: A rugged red dot for speed or a 1–6× / 1–8× LPVO for versatility. Co-witness with backup sights if desired. Q: What’s the muzzle thread pattern? A: Most 16" 5.56 carbines use 1/2×28; confirm your exact rifle’s spec on the product label before installing brakes or suppressor mounts. Q: Is the furniture Mil-Spec compatible? A: The Magpul® carbine stock and grip follow common AR standards, making future swaps simple. Q: Does it include a magazine? A: Many packages include a 30-round magazine (where legal). Check the specific retailer listing for contents. Ready to build skills and hit the range with confidence, the Diamondback DB15 (DB175AK221) combines a 16" chrome-moly barrel, rugged black hard-coat anodized receiver, and FDE Magpul® stock & grip with the limitless customization of the AR-15 ecosystem—delivering performance you can rely on every time you press the trigger. The End