DIRTY BIRD INDUSTRIES

7.5″ Slick Side Billet 5.56 Nitride Pistol M-LOK Upper Assembly An affordable pistol upper assembly without cutting corners. This means using a nitrided steel gas block from an American Manufacturer as opposed to aluminum and quality American Made...

  Dirty Bird 7.5" Pistol 556 M-LOK Upper Assembly This Dirty Bird Industries Complete Upper features a Black Nitride 7.5" Sub-MOA Heavy Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier t-marked Forged Upper Receiver...

  Dirty Bird 16" Govt Mid 556 M-LOK Complete Upper This Dirty Bird Industries Complete Upper features a Black Nitride 16" Sub-MOA Government Profile barrel chambered in 5.56 with a 1:7 twist. Built on a top-tier t-marked Forged Upper Receiver...