Thundercock

I’ll buy. Thanks

Title kind of says it all. I plan on running suppressed most of the time and wonder if the piston setup to reduce blowback in the face is the best option. Experience?

Thank you for the advice. It is a Colt with a 20" upper. As far as I can tell from researching various configurations, it either had an A2 upper put on at some point or is a M16A1E1 model 645. 9millions serial number. I bought a 634 or 635 10" upper with tear drop assist. Figured that will be more fun. I am planning to do the KNS as the "stretching" of the holes seems to be the most common wear point I have read about. I am curious why Born Loser is not a fan of the idea. Just to make sure I do not run afoul of the ATF, is there any issue with me ordering an auto-sear LPK and switching out the parts myself? Or, do I need a licensed gunsmith to do it?

I am awaiting NFA blessing on a M16. I didn't buy it to be a safe queen. But, I would like to protect the investment. I am planning to strip the lower all the way down and build it back with new parts. I want to keep the original stuff in as good of shape as possible. I also plan to switch uppers. Does this sound smart or a waste of effort? For the lower, is there any recommendations to protect it? I am thinking about whether a gun skin might protect from scratches. But, would a skin cause issues with serial number? Can it be obstructed like that? Again, worth the effort? Are there any other things I should do to protect it while I enjoy it? thanks!