Word/story is they wanted to improve the appearance / "lines" of the rifle. Same reasoning for the smooth barrel nut. A complicated, pita fix to a problem that doesn't exist. Almost as if an automotive designer/marketer was making production /design decisions for them. It was an asinine move, in my opinion, and one of the reasons I like to build off the Hog Hunter, just as you said.

FOr reference material, go to to the home page of this site. check out the FAQ's. Paid members can check out some articles. More info and knowledge here than anywhere else. 'Bout the only source I am aware of, actually.