Knight's Armament

KAC Semi-Auto 2 Stage Drop-In Trigger PN:25926 2-Stage, Match 4.5lbs pull. Weight: 2.4oz. 

Knight's Aluminum Combat Trigger Guard PN:20491-1 The KAC Combat Trigger Guard is enlarged for use with gloves or for shooters with large hands. It is compatible with most mil-spec AR-15 lower receivers, but may require slight fitting in some instances.