Yankee Hill 9mm AR15 Upper Receiver YHM Home Defense AR-15
Great for small game or home defense, YHM offers everything you need to convert your AR15 to the 9mm handgun round. Basic model DOES NOT INCLUDE BOLT BUFFER, MAGAZINE BLOCK ADAPTER OR MAGAZINE. This INCLUDES FACTORY ASSEMBLED AND WARRANTEED UPPER, 9MM BOLT CARRIER ASSEMBLY, AND CHARGING HANDLE. These top ends were designed and tested using a mil spec lower receiver with a 9mm Hahn Adapter and a standard curved hammer.