.45 RS SMG

The RS uses the .45 Rat Shot ammunition that fires over 30 #9 usually lead shot,however Specter has contacted [REDACTED] to manufacture steel shot higher powered CCI shot shells.it's barrel is smooth bore but a rifled option is available and can be swapped in very little time making it a highly capable .45 caliber SMG.Rat Shot shot shells where originally used for pest control but the RS with the Specter designed shells is very capable of defending your life and taking down larger targets specially when using actual .45 ACP FMJ and JHP rounds through the rifled barrel