This parts kit contains all proprietary small parts for the Quarter Circle 10 Glock Small Frame and Glock Large Frame lower receivers. This is the perfect kit to carry in your range bag for your QC10 builds. Includes the new style last round bolt hold-open device that installs under the bolt catch. This kit also includes all pins and springs needed for proper installation of Quarter Circle 10 parts, as well as instructions (for those of you who admit to using them).
Parts Kit Includes: