I'm looking for some opinions and input. I am currently making arrangements with a professional to have my 20" barrel shortened to 16". I thought I was convinced that I wanted the shorter barrel, but I'm really struggling with the decision. I dont like the idea of a shorter sight radius, potentially louder report, and loss of velocity. On the other hand, I've read 7.62x39 only takes marginal advantage of a longer barrel because of the amount of powder to burn. Other pros are less barrel whip, handier, slightly less weight, and would now be threaded for brake or hider. Also, does anyone f