I know my experiences with single triggers are not anyone else's, but I have had precious little trouble with them in my lifetime. I currently own two Smiths with Hunter One Triggers and they've worked flawlessly over the years with one exception. Once, my 3" chambered 12 ga. 3E doubled with me using BOSS heavy duck loads. I've pretty well determined it was operator error, due to me inadvertently hitting the trigger again in recoil. I have numerous O/U guns with single triggers and they all work flawlessly. My Beretta SPII Sporting has digested over 15K rounds without one hiccup. Lord only knows how many have gone through my old Winchester imported Perazzi MX8. I even have a $389 Turkish Yildiz S X S with a single trigger, with selector, that has worked perfectly for some 15 years. Never owned a Miller.
I guess my point is that numerous single trigger designs have pretty much been perfected, and if Yildiz can put a perfectly operating single selective trigger on a $389 gun you would think the Spanish and English could, too. Never owned a Turkish O/U with a single trigger, but they have a reputation for unreliability. The S X Ss don't. I love all my double trigger S X Ss but I don't have any problem using a good single trigger if that's what the gun has.
