There are some who say fluting can cause POI changes as the barrel heats up and some people say it causes inconsistencies in a barrels strength.
I have personally shot a barrel and developed a load. Then pulled the barrel and had it fluted. Screwed it back on and it shot exactly the same if...
If you’re looking to save a bunch of weight a short shank and smaller contour is where to start if you are rebarreling or building a rifle.
If you are trying to reduce the weight of your current barrel fluting is a good option or shortening the barrel.
I like the look of a fluted barrel so most...
As stated use a nylon brush and a coated jag with all copper solvents or you will get a false reading on the patch.
I agree with a tight spot in the barrel. You can run some patches around a brush with JB bore paste and try to smooth it a bit. It will also clean the copper quickly.
I would...
If I feel the seller might be a scammer I do as npaden suggested and search google. Most scammers are getting the photos online.
I will also ask for a picture with something random in it so they can’t just photoshop their username into the photo.