This is for a Ruger MK IV upper that have been shortened to 2.1" pictured and threaded 1/2-28 to accept a standard .22 cal sound suppressor. Thread protector and scope rail as pictured are included.
Please note that this upper does not include a bolt.
This is a serialized part and will need to be shipped to an FFL. You will be responsible for emailing us a copy of the receiving FFL's license.