This 9mm lower-parts conversion kit contains everything you need to convert your existing Carbine AR-15 lower assembly so that it is ready to operate with an RRA 9mm Upper Assembly. This kit is compatible with an AR-15 lower half that contains a collapsible stock (CAR receiver extension, 5 or 6 position).
Kit includes
- RRA 9mm Magwell Conversion Block
- RRA 9mm Hammer
- RRA 9mm Buffer
- RRA 9mm LAR-9 10 Round Magazine
