Stuff and Things Shocker Trigger Activator for Milspec AR-15 Curved Black. Installs easily and works with milspec triggers. This one has curved/flat blade activator triggers. Specifications for Stuff and Things Shocker Trigger Activator for Milspec AR-15: Manufacturer: Stuff and Things Color: Black Trigger Material: Steel Polymer Gun Make: AR Platform Gun Model: AR-15 Package Contents: Stuff and Things Shocker Trigger Activator for Milspec AR-15 Stuff and Things SHKRC: Shocker Trigger Activator for Milspec AR-15 Curved Black