Sick of having uncontrolled gas? Zaffiri is too! Introducing the Integrated Blowhole System (IBS). They took their time tested ZPS.1 slide and blended it with their Blowhole Compensator allowing you to manage that unruly gas. Features : Integrated Blowhole System Machined from billet 17-4 Stainless Steel RMR Optic Cut Fits GLOCK 19 Gen3 GLOCK is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock, Inc. or Glock Ges.m.b.H. Neither 3CR Tactical nor this site are affiliated in any manner with, or otherwise endorsed by, Glock, Inc. or Glock Ges.m.b.H. The use of "Glock" on this page is merely to advertise the sale of Glock pistols, parts, or components. For genuine Glock, Inc. and Glock Ges.m.b.H products, visit https://us.glock.com .