Volquartsen Firearms TL Rear Sight for LLV Night Sights Black. This Fixed Rear Sight from Volquartsen Firearms is for use on the Ruger Mark II Mark III or MK IV and replaces the original sight. The Volquartsen Firearms Ruger Mark II Rear T/L Firearm Sight allows you to make precise micro-click adjustments for windage and elevation making this Volquartsen Firearms weapon sight a breeze to use. For a great sight that will have you shooting on the mark choose the Volquartsen Firearms TL Rear Sight for Ruger MKII MKIII and MK IV. Specifications for Volquartsen Firearms TL Rear Sight: Manufacturer: Volquartsen Firearms Gun Make: Volquartsen Firearms Gun Model: Volquartsen Scorpion Volquartsen LLV Volquartsen Black Mamba Color: Black Fabric/Material: Steel Gun Type: Rifle Attachment Type: Screw Country of Origin: USA Package Contents: Volquartsen Firearms TL Rear Sight What firearm models does the manufacturer say Volquartsen Firearms TL Rear Sight is compatible with? The manufacturer says that Volquartsen Firearms TL Rear Sight is compatible with Volquartsen Black Mamba Volquartsen LLV Volquartsen ScorpionVolquartsen Firearms VC2TL-H-T: TL Rear Sight for LLV Night Sights Black