Description Volquartsen Bolt Tune-up Kit for Ruger Mark 1, 2, 3, 4 and ALL 22/45 and LITE The Volquartsen Bolt Tune-Up Kit for the Ruger MKI, MKII, MKIII, and MK IV target pistols contains the Exact Edge Extractor for MKII, MKIII, MK IV, and 10/22 and the SureStrike Firing Pin for MKI, MKII, MKIII, and MK IV. This kit will eliminate light strikes and stovepipes. PART # VC3FE UPC 810162012687
