yukonjasper wrote:so your saying the BCG drops in without any headspacing or any other adjustments, pinning or anything?
As for Cleaning an AR - I own one - I've put maybe 200 rounds through it since I've owned it, I've wiped it down and swabbed the barrel that it. - like I said I hardly have time to shoot them so not enough time to get enough rounds for a assemble/disassemble.
Rip away if you wish, never claimed to be an AR wiz.
Item 1) Yes, the BCG just drops in period. No pinning, adjustments period.
Item 2) Head spacing. If both parts are built to spec this is not an issue. If you are concerned you can have this checked easily enough. Some barrel builders used to allow you to send them your bolt to ensure head spacing. Now the ones I order from no longer even do that. With a quality BCG and something like and Aero P upper, I would not be concerned.
Item 3) You have not cleaned your AR if you have not removed the BCG. Seriously, do not mean to be a jerk here and I do tend to come of that way many times but this time I am serious. Your manual should have showed you how to field strip it for cleaning. First remove the mag and make sure it is unloaded, 2nd make sure the bolt catch is released so the bolt is in the receiver not in the buffer tube, if it is in the tube you will not get it open. 3nd there is a pin at the rear of the receiver that you push in (called the rear take down pin), some use a cartridge for this I use my pinky, that allows you to open the receiver. Now the BCG and the charging handle can be easily removed. Now you can clean from the proper end of the barrel, can clean the lugs on the barrel extension, can clean the bolt. At times the BCG should be stripped and cleaned as well and that is very easy too. The front pin (called the pivot pin) can also be removed. This is how you separate they upper from the lower.