Shop › GGP NITRIDE COATED BARREL FOR GLK 19 GGP NITRIDE COATED BARREL FOR GLK 19 $172.79 Grey Ghost Precision GGP-19, Match Grade Barrel, Fits Glock 19 Gen3-4, 9MM, 416R Stainless Steel, Black Nitride Finish BARREL-G19-NT-BN Quantity: Add To Cart Added! Grey Ghost Precision GGP-19, Match Grade Barrel, Fits Glock 19 Gen3-4, 9MM, 416R Stainless Steel, Black Nitride Finish BARREL-G19-NT-BN