VERTEX-FB TRIGGER AR15 BLACK Manufacturer Model Number: ACC-0017 Manufacturer: Radian Weapons Model: Vertex-FB Type: Accessory-Triggers Item Type: Accessory Finish: Black Shipping Weight: 0.25 Feature: Single Stage Trigger Feature: 3.5 - 4 lbs. Feature: AR15 Platform Compatible Optic Adjustable Objective: false Optic Reticle Illuminated: false