Single charge perforation gun and system

A perforation gun, comprising:

• an outer gun carrier;
• a tandem seal adapter positioned at least in part within the outer gun carrier;
• a perforation gun assembly positioned within the outer gun carrier and comprising a single shaped charge holder, a top connector, and a bottom connector, wherein
• the single shaped charge holder comprises a first base and a second base spaced apart from the first base,
• the first base of the single shaped charge holder comprises a pin outwardly extending from the first base of the single shaped charge holder;
• the second base of the single shaped charge holder comprises a socket extending into the second base of the single shaped charge holder;
• the top connector comprises a socket extending into a second end of the top connector and complementarily dimensioned for coupling with the pin of the first base of the single shaped charge holder;
• and
• the bottom connector comprises a pin outwardly extending from a first base of the bottom connector and complementarily dimensioned for coupling with the socket of the second base of the single shaped charge holder.