Generally speaking, a single action gun is a gun that has to be cocked before it can be fired. The term "single action" comes from the fact that the trigger only has a single function; it drops the...
Single action means the trigger only performs a single action; it drops the hammer to fire the gun. The hammer on a single action gun must be cocked before the gun can be fired.
That is a completely general question, there are a LOT of old rifles, and a lot single action or bolt action since there wasnt a lot of expirementation with semi-auto when shotguns where first...
A Single Action requires the hammer to be manually cocked before squeezing pressing the trigger to fire the weapon. Double Action only requires you to squeeze the trigger through its entire range of...