Timney Triggers AR PRO 2 Stage Drop In Trigger Fits Milspec AR15 Anodized 6061 Aluminum Housing Black Oxide Finish on Trigger Shoe AR PRO. Specifications for Timney Triggers AR Pro 2 Stage Straight Triger: Manufacturer: Timney Triggers Color: Black Trigger Shape: Straight Hand: Ambidextrous Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Condition: New Last Chance: Yes Fabric/Material: Steel/Aluminum Features of Timney Triggers Timney Trigger Ar Pro 2 Stage 8oz/1.5lbs Strait Black Self contained 100percent drop-in trigger No gunsmithing fitting or adjusting required Designed for even the harshest conditions of competition shooting Compatible with mil-spec AR lowers Package Contents: Timney Triggers Timney Trigger Ar Pro 2 Stage 8oz/1.5lbs Strait Black What firearm models does the manufacturer say Timney Triggers AR Pro 2 Stage Straight Triger is compatible with? The manufacturer says that Timney Triggers AR Pro 2 Stage Straight Triger is compatible with AR-15Timney Triggers Timney Trigger Ar Pro 2 Stage 8oz/1.5lbs Strait Black