This is the Tokarev TX3 +1 shotgun tube extension. 

Increase your shotgun’s capacity in seconds with this high-quality shotgun tube extension from Tokarev!

Constructed from steel and polymer, you’ll find that this extension provides superior durability and weight balance. There are no permanent modifications needed to install this extension, making it a no-brainer for everything from range time to home defense!

Order yours today while they are still available!