Mac--
Thank You!! I knew if someone had a simple logical test to check for mechanical error on a Double you could suggest it!!

Second Question--On a heavy Double that is functioning properly should you increase the rear trigger poundage for a faster more predictable shot? With an adrenalized hunter at speed while trying to shoot a 2nd barrel on a big Double slapping the finger back suddenly could cause an AD and premature shot.If so how much should one adjust the poundage up? A 6-7 pound trigger (or more) pull sounds heavy but in the heat of battle may be enough to give "trigger feel" for a eyeball to eyeball hunter-prey 2nd shot!!

More advise please!!

Omnivorous Bob- great idea, just to bad I don't have any hammer guns!!