I'm planning my next build and was looking around and seeing some on the forum and one weapon's company in particular with dimpled barrels. I would appreciate opinions if the barrel dimpling really helps the weapon run cooler, or if dimpled barrels are an answer in search of a question.

My planned build is for a lightweight, DI rifle with top shelf components and internals. I also plan on using a NiB coated bolt carrier and bolt to reduce cleaning time and lack of lubrication failures with high round count. The final option is coating the rifle in flat dark earth Gun Kote or Druacoat. Any opinions will be appreciated!

Dimpling, fluting, I think it's really all the same. The increased surface area "sholud" make it run cooler, but I've never seen any hard data proving one way or another. I do think that dimpling looks pretty neat, especially the jobs done by Marvin Pitts. KAC seemed to have started the craze and now Adco and others will do it for a fee. It may reduce the weight a bit, but not anything like reprofiling would do. As far as coating the rifle, you should look at Ceracoating as opposed to the expensive auto paints.The specs on it blow the others out of the water. Also look into hydrographic transfer. Also a novel way to refinish a rifle...or whatever you have. Best of luck either way.

Go witha lighter profile unless you want to throw it farther