MP9 (KSC-System 7) 60% Light Trigger Spring

This light trigger spring is made of Piano Steel wire.  It has about 60% pulling force of the original trigger spring, therefore this light trigger spring perform: 1) reduce the force of pulling trigger; 2) easy to control double/triple tag shooting; 3) faster to repeat single/semi shooting. All products are made for airsoft only. They are not made for real steel firearms.