1957-1958 from what i can find im about to give mine an overhaul its in bad shape.
Mossberg model 346 KB
60's-80's
around 180-220
Mercury model KB-!A motors where made in 1941. This model was known as the Deluxe comet.
Kb = 3.8 10-10
We would use a modified or full choke, and #4 shot.
The Kb value for the conjugate base CN- (cyanide ion) is 2.5 x 10^-5.
Kb = 55 It is a very strong base therefore it completely dissociates.
No published sn vale; 15-125 USD or so
I will buy one (395K 12 guage) top price as i have one from my father that is broken, even parts would be great, especially stock. LarryAndy@aol.com
Kb = 1.8 x 10-5 (apple x)