Mr. Roberts, in my conversations with good gunsmiths and double gun manufacturers, the single trigger (any design) is unquestionably the least reliable element in any double gun. Period.
Use whatever you want. Looking up and down the line at my local club at what "everyone" uses, I suspect we should all be in love with recoil pads with white line spacers, and have them installed on all our guns, too.
I ain't.

Best,
Ted