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...

Bolt Racker Handle for Ruger Mk I, II, III, IV and 22/45Study the Pictures to Match Your Bolt to the Correct "Type" Bolt Racker  The Bolt Racker Handle makes cocking and clearing the action SO EASY. Install it either left or right handed and we have...

Volquartsen 19.22 Flat Trigger The 19.22 Trigger for Ruger MKII, MKIII, and MKIV enhances your shooting experience. It is designed to bring the world-class 1911 trigger feel to the Ruger MK series. Its mechanical advantage provides a crisp 90-degree...

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...

Ruger MKIV Frame Lug This lug is precision machined for improved fit. Slight variances to the factory lug (as shown with the yellow circle in the additional image) can cause unnecessary wear to the Mark IV upper as well as aftermarket uppers like the...

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...

Cthulhu Frame fits All Ruger MKIV Barrels No FFL Required All Aluminum Lower Frame for Ruger MKIV Completely Assembled w/Tandem Kross Competition Parts Drop-In Ready... Fits All Ruger Mark IV Barrels Drop-In Ready... Fits All Ruger Mark IV 22/45...

Volquartsen Extended Bolt Release fits Ruger Mark IV Black Slightly Longer and Wider... Makes Releasing the Bolt Easier! Fits Ruger MKIV (Not MKIV 22/45) Finding it too hard release the bolt on the MK IV? Our extended bolt release gives you...

Volquartsen Target Sight Setsfor Original LLV and New MKIV LLV Uppers- Target Sights Set (Front and Rear) to fit Volquartsen LLV and LLV-4 Uppers. Includes Patridge Front Sight and Target Adjustable Rear Sight. Fits Volquartsen 6 inch LLV and LLV-4 and...

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...

Extended Bolt Release for Ruger MK IV (Not 22/45)This part gives a larger, grippier surface for your thumb to engage the Ruger Mark IV bolt release. Releasing the bolt after a magazine change takes less effort and becomes more natural. It's especially...

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* Bolt fits Ruger MKII, MKIII, MKIVCNC Machined Competition Bolt is Finished in Gold* Colored Titanium Nitride (TiN)- If you're looking to eliminate stovepipes, jams, and failure to fire issues, the Competition Bolt is the way to go. It...

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...

Magazine Base Pads fit Ruger MKIV Mags (Not 22/45)- Our new Volquartsen Magazine Base Pads for the Ruger MK IV (will not fit Ruger MK IV 22/45) provide more positive magazine insertion, easier removal, and lightning fast reloads. CNC-machined from...

Volquartsen Safety Power Spring fits Ruger MKIV- The MKIV safety is very easy to engage... And sometimes you might engage it when you don't want to... Like when you are shooting in a competition. Our Safety Power Spring replaces the factory spring on the...

Ruger MKIV V-Lock Retainer- An improved bolt stop pin retainer keeps the Ruger MKIV Bolt Stop Pin from drifting or walking out on its own. If you are having issues with the Bolt Stop Cross Pin walking out of your MK IV frame during heavy use, this new...