To provide a magazine follow fastener for smoothly carrying out loading work using both hands by fixing a magazine follow in the lowered position although a magazine follow had to be lowered with the finger or the fingernail to carry out loading which was extremely hard work because only one hand was usable in a hand gun type toy air gun using a BB cartridge.

A plate includes a claw for hooking the magazine follow, and the plate is provided with a hook-and-loop fastener to be wound around a magazine.