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 body connecting said barrel and said trigger mechanism, said cylinder selectively movable between a forward and rearward position within said body;
• 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 removably inserted into a magazine receiver in said body between said barrel and said cylinder, said magazine having a protruding portion in which an aperture is defined;
• a pellet feed tube aligned with said barrel and movable between a retracted position external of said magazine and a ready position wherein said pellet feed tube extends through said magazine to said barrel, said pellet tube providing fluid communication between said barrel and said compression chamber;
• and
• a locking pin aligned with said aperture and movable between a retracted position external of said magazine and a forward position wherein said locking pin is received in said aperture to discourage removal of the magazine from the magazine receiver.