I just can't bring myself to use Krylon, It seems to look like crap after some use, sorry Krylon lovers. I like the look of the JP Rifles, Wilson and the expensive Robar coatings. Maybe a dessert camo?
Am waiting on a Ceracoat job to get back to me this week from GA Precision. They were great to deal with and prices were reasonable.
There have been a couple other posts on this topic fairly recently, but I went with Ceracoat based on the number of people I trust that told me that Ceracoat was the most durable option. YMMV.