Slimbo-
After one's done 10,000+ in 35+ years it become second nature & NO YouTube video's required.
(my first on a s/shot 40X was done in 1978 & that same action is on it's 8th Bbl to this day)
slowfire-
OEM Rem 600,660,Xp-100 s/shot dog leg bolt handles are the same...except the color as some were polished & some were blued.
(I have a 5gal bucket of OEM Rem dogleg bolt handles on location)
Accomplish any task at or above the best of one's abilities,or take up another profession/sport!!
Need your initials fusion TIG welded into your fingernail(s)??
(DO NOT ATTEMPT the above...unless you know EXACTLY what the HELL your are doing or you will loose the end of that digit)