The BRIMSTONE 5.56 is constructed of highly corrosion resistant and heat-treated stainless steel and Titanium. 
   
   
Features
  •  
    Length:7”
    Diameter: 1.5”
    Weight: 16 oz
    Material: Titanium and 17-4 Stainless
    Mounting: QD
    Rating: Semi
    dB: 134
    Color: Cerakote™ Colbalt