Volquartsen Firearms Pistol Competition Kit Ruger MK IV/ MK IV 22/45 2.25 lb Pull Stainless. Look no further than the Pistol Competition Kit. This kit includes our MK IV Accurizing Kit and Bolt Tune-Up Kit. The Pistol Competition Kit is designed to produce a crisp clean 2.25 trigger pull eliminate stovepipes and eliminate failures to fire Specifications for Volquartsen Firearms MK IV Pistol Competition Kit: Manufacturer: Volquartsen Firearms Fabric/Material: Aluminum Trigger Shape: Curved Trigger Pull Weight: 2.25 lb Gun Make: Ruger Gun Model: Ruger Mark IV 22/45 Condition: New Country of Origin: USA Package Contents: Volquartsen Firearms MK IV Pistol Competition Kit What firearm models does the manufacturer say Volquartsen Firearms MK IV Pistol Competition Kit is compatible with? The manufacturer says that Volquartsen Firearms MK IV Pistol Competition Kit is compatible with Ruger Mark IV 22/45Volquartsen Firearms VC4PCK-ST: Pistol Competition Kit Ruger MK IV/ MK IV 22/45 2.25 lb Pull Stainless