Ruger Lower Parts Kit Fits AR Pattern Rifle and Pistols GI Trigger A2 Grip. Inc. is one of the nation's leading manufacturers of rugged reliable firearms for the commercial sporting market. With products made in America Ruger offers consumers almost 800 variations of more than 40 product lines across the Ruger Marlin and Glenfield brands. Specifications for Ruger Lower Parts Kit F: Manufacturer: Ruger Gun Make: Ruger Gun Model: Ruger LC9 Additional Features: Lower Parts Kit Features of Ruger Lower Parts Kit F: Ambi Safety Selector Switch Package Contents: Ruger Lower Parts Kit