These Magazine Tube Extensions allow you to carry extra rounds in your tactical shotgun. Machined of super-strong chrome-moly steel tubing with a black oxide finish. Fits 12 Gauge only.Chrome Moly Steel Extension Tube
No gunsmithing required.
Minimum barrel length = 18"
Tube allows the addition of two extra rounds to magazine. When added to the four the factory magazine tube allows, plus
one in the chamber, the total is seven rounds.