Type/Color: 2 Stage Trigger Size/Finish: Small Pin AR-15 Material: Steel/Aluminum AR-15 Accessory: Y Other FEATURES:: Two Stage Design, 1.25Lb On First Stage, 1.75Lb On Second Stage, No Doubt Second Stage Wall, Includes Anti-Walk PINS Other FEATURES2:: Fits AR PLATFORMS With Mil-Spec DIMENSIONS INCLUDING .223/5.56, .308, 6.5, And 9MM Calibers, FDE Trigger Housing