Well after thinking about it more and reading about all the problems here, I've decided it just isn't worth it -TO ME- to spend a extra $400-$500 to "FIX"(convert back to the way it was originally built,gas port problems,grind and polish to make the bolt work as it should from the factory,etc. etc.) a NEW gun that is already overpriced. Not to mention taking a chance on getting one with a weak carrier or one where the importer molest them to make them "work" to avoid warranty issues and no replacement parts available. If they were sold as they are now but called "KITS" and priced around $30 th