Ruger Lower Parts Kit Features The Ruger Lower Parts Kit is built to mil-spec dimensions and tolerances ensuring compatibility with the full range of AR pattern lower receivers on the market and reliable function when paired with any standard mil-spec fire control group. The kit includes a mil-spec disconnector trigger and hammer pins safety selector and spring magazine catch assembly with button and spring bolt catch assembly with spring plunger and pin takedown and pivot pins with detents and springs buffer retainer and spring trigger guard assembly and pin and grip screw hardware covering every small part position in the lower receiver. Sourced from Ruger s American manufacturing operations each component is held to the same quality standards that have made Ruger one of the most trusted names in American firearms for decades. For AR builders and gunsmiths who want a complete and reliable mil-spec lower parts kit from a name brand American manufacturer the Ruger Lower Parts Kit delivers everything needed to finish a lower receiver build. Every component in the Ruger Lower Parts Kit is designed to drop in and function without modification in standard AR pattern lower receivers making this kit an ideal choice for first time builders and experienced gunsmiths alike who want consistent and predictable results. Having a complete lower parts kit on hand also makes the Ruger Lower Parts Kit a practical spare parts solution for competitive shooters and range instructors who need to keep their AR platforms running without downtime. The exclusion of the fire control group and grip gives builders the flexibility to select their preferred trigger and grip combination independently while still sourcing every other lower part from a single trusted supplier. For sport shooters competitive AR builders and gunsmiths who want American made mil-spec lower components for their next AR build the Ruger Lower Parts Kit is available for sale at GrabAGun. Ruger Lower Parts Kit Specifications Manufacturer: Ruger Model: Lower Parts Kit Compatible Hosts: AR Pattern Rifles and Pistols Type: Lower Parts Kit Includes: Mil-Spec Disconnector Trigger and Hammer Pins Safety Selector and Spring Magazine Catch with Button and Spring Bolt Catch with Spring Plunger and Pin Takedown and Pivot Pins with Detents and Springs Buffer Retainer and Spring Trigger Guard Assembly and Pin Grip Screw and Washer Adjustment Screw Note: Does Not Include Fire Control Group or Grip Available At: GrabAGun