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Diamondback DB15 5.56 Flat-Top with Four Rail – Texas AR-15 Rifle

(6 customer reviews)

Original price was: $1,287.99.Current price is: $1,004.99.

The Diamondback DB15 delivers proven reliability with a flat-top upper and four-rail handguard for maximum accessory mounting. Built with mil-spec components and a 16-inch chrome-moly barrel, this rifle offers solid performance at a practical price point.

8 in stock

SKU: DBG-2890-TX-61AC7 Category: Tags: , ,

Description

Built tough for Texas shooters who demand performance without unnecessary frills, the Diamondback DB15 combines military-proven design with straightforward functionality. This rifle gives you a reliable platform ready for customization and range time.

Starting with a forged 7075 T6 aluminum receiver set and a gas-impingement system that’s been battle-tested, the DB15 uses quality components machined to precise standards. The flat-top upper receiver with T-marks provides a solid optics mounting surface, while the four-rail handguard offers plenty of real estate for lights, lasers, and grips.

Specifications:

  • Model: DB-15 B
  • Caliber: 5.56 NATO / .223 Remington
  • Finish: Black Anodized Hardcoat
  • Barrel: 16″ 4140 Chrome-Moly M4 Contour Free Float
  • Barrel Twist Rate: 1:9
  • Bolt Carrier: Shot-Peened Magnetic Particle Inspected Mil-Spec 8620
  • Lower Receiver: Forged 7075 T6 Aluminum
  • Upper Receiver: A3 Flattop Forged 7075 T6 Aluminum T-Marked
  • Handguard: Diamondback Aluminum Modified Four Rail
  • Pistol Grip: A2 Style
  • Stock: ATI Strikeforce with Aluminum Civilian Buffer Tube
  • Weight: 6.65 lbs
  • Overall Length (Collapsed): 32.5″
  • Overall Length (Extended): 36.25″
  • Flash Hider: A2

The 16-inch chrome-moly barrel with M4 contour and free-float design provides consistent accuracy, while the 1:9 twist rate handles a wide range of ammunition. The mil-spec bolt carrier undergoes rigorous inspection, and the ATI Strikeforce stock offers adjustable length of pull for different shooting positions.

Whether you’re hitting the range in Dallas or preparing for defensive scenarios, this rifle gives you a dependable foundation. We ship to FFL dealers across Texas for straightforward transfer to qualified buyers.

Additional information

Firearm Type

AR-15 Rifle

6 reviews for Diamondback DB15 5.56 Flat-Top with Four Rail – Texas AR-15 Rifle

  1. Emily K.

    After zeroing my scope, I was hitting 2-inch groups at 100 yards with factory ammo. The ergonomics felt natural, and the finish held up well during a rainy range session. Dallas Shooters Supply had it ready for pickup the same day I ordered.

  2. Marcus S. (verified owner)

    Compared it side-by-side with rifles costing twice as much, and the fit and finish were surprisingly good. The flat-top upper made optic installation straightforward, and the handguard rails stayed tight through multiple range trips. Living in the DFW area means having reliable gear, and this delivers.

  3. Sarah T.

    The 5.56 chamber handled everything I fed it, and accuracy was better than I expected for this price point. My only nitpick is the trigger pull felt a bit heavy compared to my other ARs, but that’s an easy fix if it bothers you.

  4. Cody M. (verified owner)

    Ran about 150 rounds of various 5.56 through it and only had one failure to feed with some steel-cased stuff. With brass ammo, it functioned flawlessly. The rail system is sturdy and didn’t loosen up after mounting a foregrip and light.

  5. Wyatt H. (verified owner)

    Took it to the range last weekend and put 200 rounds through it without a single malfunction. The flat-top design made mounting my red dot super easy, and the four-rail handguard gave me plenty of options for accessories.

  6. Clint R. (verified owner)

    Used this on my friend’s ranch near Waco last month and dropped three hogs cleanly. The rifle balanced well when moving through brush, and the rail system let me mount a light for those early morning hunts. As a lifelong Texan, I appreciate gear that can handle our terrain.

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