Darmok Firearms

Diamondback DB175AK621 DB15 | 5.56 NATO | 16″ | 30+1

Your Price: $936.00

Diamondback DB175AK621 DB15 5.56x45mm NATO 30+1 16″, Multicam Rec/15″ Slim M-Lok V-Rail Handguard, OEM Black Gold Lower, Black Furniture, Magpul CTR Stock & K2 Grip, DBSB-IV Flash Hider

The Diamondback DB15 (DB175AK621) is a semi-automatic AR-pattern rifle built on 7075-T6 aluminum receivers with a medium 4150 chrome moly barrel and a mid-length gas system. It ships with a 15″ slim M-LOK V-Rail handguard, Magpul CTR stock and K2 grip, and a CNC DBSB-IV flash hider; the lower is finished in Diamondback Gold with black furniture. For an optic choice under $1,000, a Vortex Strike Eagle 1-6x provides a versatile 1-6x magnification range that pairs well with the 16″ barrel for engagements from close to intermediate distances.

Recommended uses include precision-oriented range practice and competitive pistol-caliber rifle style sport shooting or target events. The configuration balances fieldable ergonomics with accessory compatibility for common AR setups.

Product Specifications

  • The rifle weighs 6.80 lbs for a balance of carryability and stability.
  • The listed weight range is 6 lbs to 6.99 lbs.
  • This model is configured for Right Hand operation.
  • The action type is Semi-Auto.
  • The barrel is described as Threaded.
  • The barrel length is 16″.
  • The caliber/gauge is .223 REM/5.56 NATO.
  • The magazine capacity is 30 + 1.
  • The finish is a Digital Camouflage style.
  • The muzzle device is a CNC DBSB-IV Flash Hider.
  • The overall length is 32.75″ – 36″ depending on stock position.
  • The receivers are constructed from Aluminum.
  • The stock installed is a Magpul CTR.
  • The trigger is a Mil-Spec unit.
  • The rifling twist rate is 1:8″.
  • The UPC is 810035756113.

The DB15 DB175AK621 is a straightforward, spec-driven AR built for reliability and accessory flexibility. Its 16″ mid-length gas system and 15″ M-LOK handguard make it adaptable for optics, lights, and foregrips while retaining a compact feel for range use. The combination of a 4150 chrome moly barrel and a Mil-Spec bolt carrier group supports consistent performance across common 5.56 loads.

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SKU: TSW|159797 Category: Brand:

Product Information

SKU TSW|159797
UPC 810035756113
Manufacturer Diamondback Firearms
Manufacturer Part Number DB175AK621
Action Semi-Auto
Barrel Length 16"
Caliber/Gauge .223 REM/5.56 NATO
Capacity 30 + 1
Safety Thumb
Rate of Twist 1:8"
UPC810035756113
ManufacturerDiamondback Firearms
Manufacturer Part NumberDB175AK621
ActionSemi-Auto
Barrel Length16"
Caliber/Gauge.223 REM/5.56 NATO
Capacity30 + 1
SafetyThumb
Rate of Twist1:8"
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