Striking member installation mechanism and nail gun having same

A nail gun, comprising:

• a casing having a main casing body and a striking member baffle removably disposed over a replacement opening of the main casing body;
• a striking member removably disposed inside the main casing body and below the striking member baffle;
• and
• a striking member driving assembly having a piston for driving the striking member in a reciprocating motion direction,
• wherein the piston comprises a striking member connector having an upper surface facing the striking member baffle;
• wherein a connecting post extends from the upper surface towards the striking member baffle;
• wherein the striking member comprises a striking member tail and a guiding striking part;
• wherein the striking member tail is plate-shaped and comprises a mounting hole configured to receive the connecting post;
• wherein the striking member tail is configured to be in contact with the upper surface of the striking member connector when the connecting post is received in the mounting hole;
• and
• wherein the striking member baffle has a baffle inner side facing the striking member and a baffle latch located on the baffle inner side, and the main casing body has a baffle latch slot for receiving the baffle latch, wherein the striking member baffle and the main casing body are latched together by engaging the baffle latch with the baffle latch slot, so that the striking member baffle is removably disposed over the replacement opening of the main casing body.