Using a Black Nitride coated gas tube is one of the best things you could do if you want to preserve the look of your AR15.

Having a shiny, silvery gas tube makes many AR15 uppers look cheap and the black nitride coated gas tube is also more durable, especially when interfacing with the BCG.


  • Black Nitride Finish
  • Profile: Mid Length
  • Actual Length: 11.75″
Weight 5 oz
Dimensions 12 × 9 × 1 in