Shop › APEX ALUMINUM TRIGGER KIT M&P 9/40 APEX ALUMINUM TRIGGER KIT M&P 9/40 $165.00 Apex Tactical Specialties Action Enhancement Trigger kit, Duty and Carry, Aluminum, Black, For M&P 9/40 , Does Not Fit 2.0 100-079 Quantity: Add To Cart Added! Apex Tactical Specialties Action Enhancement Trigger kit, Duty and Carry, Aluminum, Black, For M&P 9/40 , Does Not Fit 2.0 100-079