Gunsmithing Duracoat Lusterless OD. Anyone use it?

[TurdFerguson]

Has anyone used this stuff? I've used duracoat before and it seemed to hold up well on stocks , but this time I plan to paint a R700 barreled receiver/DBM. Also I plan to tape off the barrel/chamber but is it a requirement to tape off the bolt guide rails? Also can I duracoat the bolt body/shroud? I plan to disassemble to bolt but would it make it hard to cycle the bolt?

 

[SupressYourself]

I've done a lot of Duracoat. Personally, I'd keep it out of the inside of the action and would only paint the bolt handle, and maybe the bolt body if painting any part of the bolt. It does add thickness, so don't spray it anywhere that there are fairly close tolerances between moving parts (like the bolt head or guide rails).