The ornamental design for a modularforendsystem for tactical firearms, as shown and described.
FIG. 1 illustrates a perspective, side view of a new design for a modular forend system for tactical firearms depicting a modular forend with a plurality of co-bore aligned accessory mounting rails;
FIG. 2 illustrates a rear view of a new design for a modular forend system for tactical Firearms depicting a modular forend with a plurality of co-bore aligned accessory mounting rails;
FIG. 3 illustrates a front view of a new design for a modular forend system for tactical firearms depicting a modular forend with a plurality of co-bore aligned accessory mounting rails;
FIG. 4 illustrates a side view of a new design for a modular forend system for tactical firearms depicting a modular forend with a plurality of co-bore aligned accessory mounting rails;
FIG. 5 illustrates a side view of a new design for a modular forend system for tactical firearms depicting a modular forend with a plurality of co-bore aligned accessory mounting rails;
FIG. 6 illustrates a top view of a new design for a modular forend system for tactical firearms depicting a modular forend with a plurality of co-bore aligned accessory mounting rails;
FIG. 7 illustrates a bottom view of a new design for a modular forend system for tactical firearms depicting a modular forend with a plurality of co-bore aligned accessory mounting rails; and,
FIG. 8 illustrates an exploded, perspective view of a new design for a modular forend system for tactical firearms depicting a modular forend with a plurality of co-bore aligned accessory mounting rails.
The broken lines showing portions of the modular forend system for tactical firearms form no part of the claimed design.