have a 16" 1-7.5 stainless pacnor recon mid gas. contour barrel with only 50 rounds through it. http://www.adcofirearms.com/sprbuild.cfm?page=build
With PRI-steel black low profile gas block with gas tube
the barrel has KG Kote black with matching\fitted bolt.
This setup was put together and bought from ADCO about a month ago and I have decided to go to a SAMR setup... Shoots 1\2moa at a hundred yards and broken in according to their instructions
The package goes new for $475.
Asking $330 shipped.