Mark IV Pistol Competition Kits with 19.22 Flat Trigger This kit includes our Accurizing Kit for the Ruger MK IV Pistol and Bolt Tune-Up Kit for MKII, MKIII, MK IV, and 22/45. The Pistol Competition Kit is designed to produce a crisp, clean 2.25 trigger...

Volquartsen Ruger Mark IV Accurizing Kits with 19.22 Flat Trigger The complete drop-in kit comes complete with our CNC Machined Disconnector, Target Hammer, Hammer Bushing, Target Sear, Target Trigger with plunger and spring. It also comes with pretravel...

The Ultimate Trigger Kitfor the Ruger MKIV & MKIV 22/45 RedThis “Ultimate” Kit for Ruger® Mark IV™ & Mark IV 22/45™ is a matched set of upgrade parts - DO NOT use any other brand of sear and hammer with the TANDEMKROSS...

Volquartsen Mk IV and Mk IV 22/45 Competition Kit Also Converts Mk IV and Mk IV 22/45 Pistols to Eliminate the Magazine Disconnect   Trying to figure out which parts are needed to take the Ruger MKIV and 22/45 to the next level? Look no...

Pistol Competition Kit for MK IV, Gold Trigger Trying to figure out which parts are needed to take the Ruger MK IV or MK IV 22/45 to the next level? Look no further than the Pistol Competition Kit. This kit includes our MK IV Accurizing Kit and Bolt...

The Ultimate Trigger Kit for the Ruger MKIV & MKIV 22/45 BlackThis “Ultimate” Kit for Ruger® Mark IV™ & Mark IV 22/45 is a matched set of upgrade parts - DO NOT use any other brand of sear and hammer with the TANDEMKROSS...

Volquartsen Ruger MK IV® Accurizing Kit This complete drop-in kit comes with our CNC Machined Disconnector/Trigger Bar, Target Hammer, Hammer Bushing, Target Sear, Target Trigger with plunger and spring. It also comes with pretravel and overtravel...

Volquartsen Triggerless Accurizing Kit fits Ruger MKIV (No Trigger Included)- For those who have a different preference for the trigger they choose, this triggerless kit has everything you need... Except the Trigger. The kit comes complete with our CNC...

Volquartsen Gold* Trigger fits Ruger MKII, MKIII, and MKIV Pistols and 22/45CNC-Machined Target Trigger in *Gold Colored TiN Adjusts for Pre-Travel and Post-Travel - The Volquartsen Target Trigger is now available in TiN finish, giving it a distinctive...

Volquartsen Mk IV and Mk IV 22/45 Competition KitAlso Converts Mk IV and Mk IV 22/45 Pistols to Eliminate the Magazine Disconnect  Trying to figure out which parts are needed to take the Ruger MKIV and 22/45 to the next level? Look no...

Volquartsen Ruger MK IV® Accurizing Kit - Stnls TriggerThis complete drop-in kit comes with our CNC Machined Disconnector/Trigger Bar, Target Hammer, Hammer Bushing, Target Sear, Target Trigger with plunger and spring. It also comes with pretravel...

Ruger MKIV 22/45 Race Gun Kit Black- All of the most popular MKIV 22/45 Pistol accessories from Tandemkross, favorites in speed shooting sports like the "Rimfire Challenge" and "Steel Challenge". Here's what you get:1 "Halo" Charging Ring1 "Victory"...

Blast Shield Mag Disconnect Replacementfor Ruger Mark IV and Mark IV 22/45 Pistols.- This little replacement part shields the sear and hammer from debris, improves magazine alignment, and allows your MKIV to fire whether or not the magazine is inserted...

Volquartsen Ruger MK IV® Accurizing Kit This complete drop-in kit comes with our CNC Machined Disconnector/Trigger Bar, Target Hammer, Hammer Bushing, Target Sear, Black Target Trigger with plunger and spring. It also comes with pretravel and...

Tandemkross "Victory" Trigger, BlackReplacement for Ruger Mk III and Mk IV 22/45Features at a Glance:Flat faced for better control and feel100% Adjustable for pretravel and overtravelLightweight skeletonized designFits MKIII or MKIV, Original or...

CNC-Machined Disconnector for MK IV This MKIV Disconnector is CNC-Machined from 416 stainless steel (the factory disconnector is a sheet metal stamping). The machining process allows several design changes to the the way the disconnector functions. We...

Ruger Mark IV Pistol Trigger Shims These trigger shims fit Ruger Mark I, II, III, IV & 22/45 Pistols. They install on the Left Side of the Trigger, between the Trigger and the #AN37 Bolt Stop Assembly. Installing a Shim here will stop the Trigger...