Grey Ghost Precision BARRELG17NTBN GGP Match Grade Barrel 9mm Luger 4.49" Fits Glock 17 Gen 3-4, 416R Stainless Steel w/Black Nitride Finish
https://www.tandktactical.com/shop/856054008130-grey-ghost-precision-barrelg17ntbn-ggp-match-grade-barrel-9mm-luger-4-49-fits-glock-17-gen-3-4-416r-stainless-steel-w-black-nitride-finish-22852
https://www.tandktactical.com/web/image/product.template/22852/image_1920?unique=51971a8
The GGP compatible Glock 17 match grade barrel is constructed of 416R stainelss steel with 0.003" dimension and a 1:10 twist rate.
