The gunsmith in that video was Bob Dunlap who was the head guy for videos for the American Gunsmith Institute. I read that he passed a few days before Christmas last year. As a hobby I joined their group about 20 years ago, basically they sell videos and a monthly magazine. I dropped out after a few years as they work on everything, and I just had a hobby interest. They sell a book on the Charter Arms, about $35 on Midway. There is so much good info on UTube these days, I do not see much reason to pay for the info. Of course you want to watch several on the same subject as there are some, not so good out there, and the same guys make dozens of them, about stuff they have very little knowledge about. I own or owned probably 4 dozen DA/SA revolvers and have seen lots of issues and the slow reset is pretty common on a new gun-even Smith and Wesson, just poor milling cleanup and lots of them have metal filings or slivers inside these days. I have had 3 guns the last decade that had to be sent back to the factory suggesting both sloppy work and poor quality control so I do not blame you for demanding they fix it. Anyway, hope you get it back quick. The few Charters I have owned are good little guns. Gun writer John Taffin who owns many guns, writes that he keeps 3 of the 44 specials in his home, for his house guns. That is all I need to know about them. Enjoy it and post when you have a chance to run a couple hundred round through it.