The Ballistic Advantage Premium Series pistol barrel is engineered for discerning shooters who demand exceptional performance from their Glock 17 Gen 5. Featuring hardened 416R stainless steel construction with QPQ corrosion-resistant finish this 5-inch threaded barrel delivers superior durability and accuracy.Ballistic Advantage Premium Series Pistol BarrelCaliber: 9MM with 1/10 twist rateLength: 5 inches with spiral fluted designMaterial: Hardened 416R stainless steelFinish: QPQ corrosion resistant coatingThreading: 1/2x28 with included thread protectorPrecision honed lapped and tumbled for flawless performanceLess than .0001" bore deviation for superior accuracyReady for immediate use with no break-in period required this barrel exceeds factory tolerances for optimum reliability and precision shooting applications.