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″