Dirty Bird Industries 7.5″ 5.56 DRP Pistol M-LOK V2 Upper Assembly

SKU# D108 | by Dirty Bird Industries
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This Dirty Bird Industries Complete Upper features a Black Nitride 7.5” Sub-MOA DRP Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier t-marked Forged Upper Receiver and finished with Dirty Bird’s 7″ SMRS M-LOK V2 Handguard available in several color options. No corners are cut when manufacturing these complete uppers. All barrels are dimpled and cold blued, use a black nitride 4140 steel gas block and a stainless steel gas tube. The gas block set screws feature knurled cone tops and are installed using blue locktite ensuring that no amount of vibration will cause the set screws to come loose but they will still be removable for servicing if needed.

**Does NOT include BCG or Charging Handle

Made in the USA – Backed by Dirty Bird Industries’ Limited Lifetime Warranty


  • Chambered in 5.56 (will also function with .223)
  • 7.5″ Heavy Profile w/ 1:7 Twist
  • Pistol Gas System
  • Black Nitride Finish
  • High Pressure Tested, Magnetic Particle Inspected and Test Fired
  • Recessed Flash Can


  • Patented ASAL (Anti-Slip, Anti-Lift) mounting system
  • Included M-LOK QD Mount
  • “Competition Cut” top rail

Upper Receiver

  • Precision Machined from Top Tier 7075-T6 Aluminum Forgings (forge marks may vary)
    • Not all forged uppers are created equal and we only use the best for our uppers meaning they will be free from excessive pitting, machined to spec and finished with quality (not purple or chalky) hard coat anodizing
  • M4 Feedramps

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