Gun Nuts Gi Style Lower Parts Kit Ambidextrous. Specifications for Gun Nuts Gi Style Ambidextrous Lower Parts Kit: Manufacturer: Gun Nuts Finish: Phosphate Fabric/Material: 8620 Steel Gun Make: AR Platform Trigger Pin Size: 0.154 in Weight: 0.571 oz Features of Gun Nuts Gi Style Ambidextrous Lower Parts Kit Traditional Government Issued Semi Auto Mil Equivalent Phosphate Trigger / Hammer. Package Contents: Gun Nuts Gi Style Ambidextrous Lower Parts Kit Gun Nuts SI-LPK-AMBI-P2: Gi Style Lower Parts Kit Ambidextrous