Zaffiri Precision Springfield Hellcat Flush & Crown Pistol Barrel Twist 1-10 416R Stainless Steel Stainless. High quality performance you demand with an easy drop-in barrel upgrade. Specifications for Zaffiri Precision Springfield Hellcat Flush & Crown Pistol Barrel: Manufacturer: Zaffiri Precision Fabric/Material: 416R Stainless Steel Gun Make: Springfield Armory Gun Model: Springfield Armory Hellcat Barrel Twist Rate: 1-10 Features of Zaffiri Precision Springfield Hellcat Flush & Crown Pistol Barrel Length - Flush and Crown flush with end of slide / inward crown shape Quality - 416R Stainless Steel Stress relieved and heat treated to RC 40-42 Polished feed ramp for easy feeding Target crown and oversized lock up area Made to work with Lead plated or jacketed ammunition Large ZP Logo machined on the Port Side of the lockup. Package Contents: Zaffiri Precision Springfield Hellcat Flush & Crown Pistol Barrel What firearm models does the manufacturer say Zaffiri Precision Springfield Hellcat Flush & Crown Pistol Barrel is compatible with? The manufacturer suggests that Zaffiri Precision Springfield Hellcat Flush & Crown Pistol Barrel is compatible with Springfield Armory HellcatZaffiri Precision ZP.HCBSS: Springfield Hellcat Flush & Crown Pistol Barrel Twist 1-10 416R Stainless Steel Stainless