Zaffiri Precision match grade barrels for for Glock 19. High quality performance you demand with an easy drop-in barrel upgrade. Available with Titanium Nitride (TiN) Gold, Black Nitride, or Stainless finishes. Specifications Compatible for for Glock 19 Gen 1-4 will be too short for Gen 5 Length: Flush and Crown flush with end of slide / inward œcrown shape Twist: 1/10 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 œZP Logo machined on the Port Side of the lockup. Made in the USA DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by for Glock. for Glock does not warrant or represent that this product is compatible with for Glock pistols.