Armaspec Safety Plunger with Reduced Spring Black. This results in reduced drag on the trigger bar as it moves over the safety plunger when you pull the trigger making it easier to engage the trigger with less effort. Specifications for Armaspec Safety Plunger with Reduced Spring: Manufacturer: Armaspec Color: Black Features of Armaspec Safety Plunger For Glock Fits Gen 2/3/4 Coming Soon Package Contents: Armaspec Safety Plunger For Glock Fits Gen 2/3/4 Armaspec ARM431-RS: Safety Plunger with Reduced Spring Black