ATF approved 10.5″ blank fire finned barrel is modeled after the WWII Thompson Sub Machine gun barrel. A short barrel rifle (SBR) permit is NOT REQUIRED for installation. The ATF approval letter should remain with the Thompson Sub Machine gun. 45 ACP Sub Machine Gun (SMG) Blanks are recommended for use.
Competent Gunsmith Installation is recommended.
Installation includes: Removal of 16″ barrel. Installation of blank fire finned barrel and Cutts compensator. Gun is test fired with 45ACP SMG blanks. To order from AWB 45ACP SMG Blanks Click Here.
Finish: Blue Steel
Compatible Gun Models: Thompson 1927/28 A1
Includes: 10.5″ blank fire finned barrel, Cutts compensator, 3 restrictor screws, roll pin, 1/8″ drill, Loctite, ATF blank fire barrel approval letter