CMC Triggers Complete lower receiver parts kit for AR-15Fire control group and grip NOT included. These AR15 Lower Parts by CMC Triggers are Mil-Spec making them the perfect complement to your trigger group. CMC Triggers Mil-Spec lower parts kits are constructed from high quality steel for improved performance and durability. For those who think the whole can be greater than the sum of its parts the CMC Triggers steel lower parts kit is the perfect choice. Specifications for CMC Triggers Complete Lower Receiver Parts Kit for AR-15: Manufacturer: CMC Triggers Color: Black Fabric/Material: Steel Gun Model: AR-15 Gun Type: Rifle Additional Features: Fire control group and grip NOT included Included Accessories: Safety detent Safety Detent Spring Buffer Retainer Mag Release Spring Mag Release Button Buffer Retainer Spring Bolt Catch Spring Bolt Catch Plunger Bolt Catch Trigger Guard Trigger Guard Roll Pin Take Roll Pin Safety Mag Release Features of CMC Triggers Complete Lower Receiver Parts Kit for AR-15: All parts meet or exceed MIL-SPEC Fire control group and grip NOT included Package Contents: CMC Triggers Complete Lower Receiver Parts Kit for AR-15 CMC Triggers 81500: Complete Lower Receiver Parts Kit for AR-15