Product Review: Derya Arms DY9 Island Barrel Kit for the Glock G19 Gen. 4

In this Product Review video, I unbox and try out a drop-in complete slide for the Glock G19 Gen. 4. This is the Derya Arms DY9 Island Barrel Kit and it provides you with a new slide, barrel, sights and springs which will add an island ported barrel and milled out slide for the mounting of red dot sights. Being a drop-in slide, there are not changes that need to be made to the frame and it will only work on the Glock 19 Gen. 4. So how does this slide work? Is the porting effective? Is it easy to install? Did I experience any issues or malfunctions? This video documents my personal thoughts, opinions, and experiences with this optic. Yours may vary.

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