The hammer-cast barrel contains a female style polygonal rifling having a correct-hand twist. The stabilization on the round is just not by regular rifling, utilizing lands and grooves, but rather through a polygonal profile consisting of a number of six or eight interconnected noncircular segments (only the . Homeland Safety https://glock-switch24676.blogolize.com/5-simple-statements-about-glock-switch-explained-61185663