KM Head 1950 Cartidge Catcher & 6 Shell Pouch for Maruzen M1100 Series
 
Cartridge Catcher and shell pouch set for Maruzen M1100 Series
Catcher can fit on Maruzen M870, Tanak M870, APS M870 and PPS M870 Series
The shell pouch can store 6 pcs of shotgun shells and best fit with fixed stock.