Zaffiri Precision match grade barrels for Glock 19 Gen 5. High quality performance you demand with an easy drop-in barrel upgrade.DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.Specifications for Zaffiri Precision Glock 19 Gen 5 Flush and Crown Pistol Barrel:Manufacturer:Zaffiri PrecisionFabric/Material:416R Stainless SteelCartridge:9mm LugerGun Make:GlockGun Model:Glock 19 Gen 5Model Generation:5Barrel Length:3.8 inBarrel Material:416R Stainless SteelBarrel Twist Rate:1-10Flutes:YesWeight:6 ozQuantity:1Features of Zaffiri Precision Glock 19 Gen 5 Flush and Crown Pistol BarrelStress relieved and heat treated to RC 40-42Polished feed ramp for easy feedingTarget crown and oversized lock up areaMade to work with Lead, plated or jacketed ammunitionLarge ZP Logo machined on the Port Side of the lockup.Package Contents:Zaffiri Precision Glock 19 Gen 5 Flush and Crown Pistol BarrelZaffiri Precision ZP.19G5BBN: Flush and Crown Pistol Barrel, Glock 19 Gen 5 Slide, 9mm, 1/10 Twist, 416R Stainless Steel, Black NitrideZaffiri Precision ZP.19G5BSS: Flush and Crown Pistol Barrel, Glock 19 Gen 5 Slide, 9mm, 1/10 Twist, 416R Stainless Steel, Stainless SteelZaffiri Precision ZP.19G5BG: Flush and Crown Pistol Barrel, Glock 19 Gen 5 Slide, 9mm, 1/10 Twist, 416R Stainless Steel, Titanium Nitride