T3s are the carbines with the scope mounts as part of the reciever , therefore do not need nor use the mounting bar to join the scope to the gun , therefore do not have the hole in the handguard for the mounting block for the mounting bar .
Chris
T3s are the carbines with the scope mounts as part of the reciever , therefore do not need nor use the mounting bar to join the scope to the gun , therefore do not have the hole in the handguard for the mounting block for the mounting bar .
Chris