Volquartsen Firearms Target Hammer for MKII Silver. The target hammer will not only reduce your trigger pull but will also improve lock time. Included Accessories: Includes our VC2HB Hammer Bushing. Note: Use of the included Hammer Bushing in MKIII pistols will remove the magazine disconnect feature from your pistol. Not for use with MK IV pistols Specifications for Volquartsen Firearms Target Hammer for MKII: Manufacturer: Volquartsen Firearms Color: Silver Fabric/Material: Steel Gun Model: Ruger Mark II Country of Origin: USA Package Contents: Volquartsen Firearms Target Hammer for MKII What firearm models does the manufacturer say Volquartsen Firearms Target Hammer for MKII is compatible with? The manufacturer suggests that Volquartsen Firearms Target Hammer for MKII is compatible with Ruger Mark IIVolquartsen Firearms VC2TH: Target Hammer for MKII Silver