Cocking and loading apparatus for repeater air rifle

A cocking and loading apparatus for an air gun having a barrel and trigger mechanism, comprising:

• a movable cylinder defining an internal compression chamber and slidably mounted within a cylinder housing connecting said barrel and said trigger mechanism, said cylinder selectively movable between a forward and rearward position within said cylinder housing;
• a spring loaded piston mounted within said cylinder and movable between a compressed position wherein the piston is retained by said trigger mechanism against a spring biasing force and a released position within said compression chamber and detached from said trigger mechanism;
• a magazine adaptor in said cylinder housing between said barrel and said cylinder, the magazine adaptor including a forward tube aligned with and adjacent to said barrel, a rear tube aligned with said forward tube, and a body portion intermediate the forward tube and the rear tube, the body portion defining a space in which a magazine is removably received;
• a pellet feed tube aligned with said rear tube, said forward tube, and said barrel, the pellet feed tube movable between a retracted position external of said magazine and a ready position wherein said pellet feed tube extends through said rear tube, said magazine, and into said forward tube, said pellet feed tube providing fluid communication between said barrel and said compression chamber.