BudsGunShop.com - Single action?

This is "Striker Fired". These all work with an internal striker. When you rack the slide of a striker fired weapon, the internal striker is cocked. When you pull the trigger, that internal striker is what rides forward to punch the primer. Most striker fired weapons can only be decocked by pulling the trigger.

it is a striker fired which is not a single or a double action but some manufacturers label them as such. here is a good video explaining the differences youtube.com/watch?v=JltUR9zNJyM