The Volquartsen Lightweight THM Tension Barrel sets the standard for what a lightweight barrel should be. It features a sleeve that is used to create tension on the barrel itself. This unique design eliminates issues typically found in smaller barrel profiles. The THM tension barrel consists of a special taper honed match barrel and chamber. This is the ultimate lightweight barrel. IncludesSureStrike Firing Pin and Exact Edge ExtractorWrench required to remove and install barrel