How to cock a remington target master: model 41 single shot?

I have just rediscovered an old Remington Target Master (single shot 22): Model 41 (1936-1939). I can not for the life of me remember how to cock the gun, thanks for the help

How to fire the m16 in single shot mode?

How can you fire the m16 in single-shot mode?
Please give some tips how to use the m16......
When I see the Killcam, I saw that players using the m16 fired two shots at me.
I own a Ps3 version of cod 4.