Volquartsen Firearms 19.22 Pistol Trigger Ruger Mark III/Mark IV Flat Black. 22 Trigger for Ruger MKIII and MKIV enhances your shooting experience. It is designed to bring the world-class 1911 trigger feel to the Ruger MK series. Its mechanical advantage provides a crisp 90-degree break with minimal reset for quick follow-up shots. Perfect for both competitive shooters and hobbyists seeking improved performance. Specifications for Volquartsen Firearms 19.22 Pistol Trigger: Manufacturer: Volquartsen Firearms Fabric/Material: CNC Machined Aluminum Trigger Shape: Flat Gun Make: Volquartsen Firearms Gun Model: Ruger Mark IV Ruger Mark III Model Generation: 4 3 Finish: Type II Anodize Features of Volquartsen Firearms 19.22 Pistol Trigger Adjustable pre-travel and overtravel Crisp reset with reduced trigger travel Compatible with Ruger MKIII MK IV and MK IV 22/45 Models Compatible with Volquartsen Black Mamba Mamba-TF and Scorpion Target 22 style frames Flat trigger is not compatible with MKII pistols. Package Contents: Volquartsen Firearms 19.22 Pistol Trigger What firearm models does the manufacturer say Volquartsen Firearms 19.22 Pistol Trigger is compatible with? The manufacturer says that Volquartsen Firearms 19.22 Pistol Trigger is compatible with Ruger Mark III Ruger Mark IVVolquartsen Firearms VF4FT-B: 19.22 Pistol Trigger Ruger Mark III/Mark IV Flat Black