Set contains (total 6 pieces of FN MAG included) : 
FN MAG with mount - 2 pcs. 
FN MAG with folded supports - 2 pcs. 
FN MAG with unfolded supports - 2 pcs. 
mounting to the vehicle - 2 pcs. 
set of open magazines - 1 blisters
set of closed magazines - 1 blisters