2nd Amendment 1791 LLC Roni Corporation Micro Roni Gen 4X Conversion Kit for Glock 19X/22/23/25/31/32/45 Black. This Micro Roni gen 4x brings focused improvements where they matter most. Specifications for Roni Micro Roni Gen 4X Pistol Conversion Kit for Glock: Manufacturer: Roni Gun Make: Glock Gun Model: Glock 25 Glock 19X Glock 45 Glock 22 Glock 17 Glock 32 Glock 31 Glock 23 Glock 19 Package Contents: Roni Micro Roni Gen 4X Pistol Conversion Kit for Glock What firearm models does the manufacturer say Roni Micro Roni Gen 4X Pistol Conversion Kit for Glock is compatible with? The manufacturer says that Roni Micro Roni Gen 4X Pistol Conversion Kit for Glock is compatible with Glock 19 Glock 23 Glock 31 Glock 32 Glock 17 Glock 22 Glock 45 Glock 19X Glock 25The most significant advancement in the Micro Roni series designed to elevate performance and user experience for tactical professionals and security forces. This Micro Roni gen 4x brings focused improvements where they matter most. MR4X-G1719-BLK