Gas Piston AR-15 with FailZero components?

[parsimonious_instead]

Anyone know of a gas-piston AR-15 with FailZero internals?

 

[benEzra]

I believe Patriot Ordnance Factory guns are available with the same type of coating, although they have their own name for it.

http://www.pof-usa.com/weapons.htm