on a gun i just bought , i just noticed the other day that there is a slight defect on the raised portion of the crown. ive been trying to take a picture of it but i cant get one that shows the problem . too much glare. but it looks like a little metal has been ground off the top. my question is... will this effect the accuracy of the rifle? or because its not on the lower part of the crown it means nothing?
I can not remember which outdoor magazine I read it in, but the article was on crowning barrels for improved accuracy or to fix a damaged crown. The one test which was used involved applying a thin layer of liquid paper to the crown/face and firing the rifle (after it dries of course) the gas dissipation will remove or discolor? the liquid paper. If it is symetrical or uniform its good to go. If unsymetrical or not uniform the gasses are not being dissapated evenly and this will decrease accuracy. Anyone else hear of this procedure?