Cover structure with double cover structure and shooting case of munition having same

A cover structure with a double cover structure, the cover structure comprising:

• a shooting case main body having an inner space with an open upper side;
• a cover member seated on the open upper side of the shooting case main body to seal the open upper side;
• and
• a cover fixing member coupled to the shooting case main body to fix a position of the cover member,
• wherein the cover fixing member has a cover locking part formed on an upper end side thereof to lock and fix the upper surface of the cover member,
• wherein the cover locking part comprises a plurality of cover locking parts disposed to be spaced apart from each other in a circumferential direction to lock and fix the upper surface of the cover member, and
• wherein the cover locking parts comprise:
• a first locking part protruding to an inner circumferential surface of the cover fixing member;
• and
• a second locking part disposed to protrude from an end side of the first locking part to a lower side.