VOLQUARTSEN | RUGER MARK IV PERFORMANCE UPGRADES
A Better Break. A Better Bolt. One Complete Kit.
Bring serious competition-grade refinement to your Ruger MK IV with the Volquartsen Pistol Competition Kit. This Made-in-USA package pairs the crisp, clean feel of a 2.25 lb black Target Trigger with Volquartsen's premium extractor and firing pin upgrades—giving target shooters and steel competitors the two upgrades they want in one complete system.
There is a reason Volquartsen is such a recognizable name in precision rimfire. The company builds around the details a shooter notices with every trigger press and every round fired. Its MK IV Pistol Competition Kit combines the complete Accurizing Kit with the Bolt Tune-Up Kit, creating a serious performance foundation for Ruger MK IV and MK IV 22/45 pistols.
The Black Target Trigger: Crisp, Controlled, Competition-Ready.
The centerpiece is Volquartsen's black aluminum Target Trigger, supported by precision target hammer and sear components, a CNC-machined disconnector, and the rest of the Accurizing Kit's carefully selected internals. Volquartsen designed the system for a crisp 2.25 lb trigger pull—a substantial improvement in trigger control for shooters working on smaller targets, cleaner breaks, and confident shot placement.
Adjustable pretravel and overtravel let you refine the feel to your preference. Behind that familiar black trigger are the details that give the kit its character: precisely made fire-control parts designed to work together as a complete Volquartsen upgrade.
The Bolt Tune-Up Is What Makes It the Competition Kit.
A premium trigger deserves equally serious bolt components. Along with the Accurizing Kit, you get Volquartsen's Exact Edge Extractor and SureStrike Firing Pin. They are engineered for more positive case extraction and consistent rimfire ignition—especially appealing for high-round-count practice, steel competition, and shooters who want a well-rounded MK IV rather than a trigger-only upgrade.
Ruger owners have plenty of aftermarket choices from respected names such as Tactical Solutions and TANDEMKROSS. For the heart of the pistol's trigger and bolt system, Volquartsen offers a particularly compelling combination: thoughtfully engineered components, supplied together, from one of rimfire shooting's most established names.
Choose Your Volquartsen Upgrade
If you want to focus exclusively on the trigger system, the Volquartsen MK IV Accurizing Kit with Black Target Trigger delivers that upgrade on its own. If you're happy with your current trigger and want the extractor and firing pin components, explore the Volquartsen Bolt Tune-Up Kit. The Competition Kit on this page brings both sets together for the shooter ready to give the entire pistol a premium refresh.
Prefer a different visual accent? We also carry the Volquartsen Competition Kit with Gold Target Trigger. Or take your build further with the Volquartsen Competition Bolt and, for compatible 22/45 models, the Volquartsen Extended Bolt Release. Browse additional options in our Ruger Mark IV Parts & Upgrades Collection.
Pete's Pillars is an authorized Volquartsen dealer. We carry genuine Volquartsen upgrades because we believe premium rimfire equipment should feel as good at the firing line as it looks on the bench.
Product Specifications
Manufacturer: Volquartsen Firearms
Product: Pistol Competition Kit for Ruger MK IV
Compatible Pistols: Ruger MK IV, MK IV 22/45 and MK IV 22/45 Lite (factory frames)
Trigger: Black Aluminum Target Trigger
Designed Trigger Pull: 2.25 lb
Trigger Adjustments: Pretravel and Overtravel
Accurizing Components: Target Hammer, Target Sear, CNC-Machined Disconnector, Hammer Bushing and Associated Components
Bolt Tune-Up Components: Exact Edge Extractor and SureStrike Firing Pin
Magazine Disconnect: Eliminated by Accurizing Kit Installation
Manufactured: Made in USA
Frequently Asked Questions
What's included, trigger options, MK IV compatibility, and ordering genuine Volquartsen components.
What's included in the Volquartsen MK IV Competition Kit?
You get Volquartsen's complete MK IV Accurizing Kit with the black Target Trigger and precision fire-control components, plus the Bolt Tune-Up Kit containing the Exact Edge Extractor and SureStrike Firing Pin. It's the trigger-and-bolt package in one purchase.
Is this the black Target Trigger or the 19.22 flat trigger?
This kit includes Volquartsen's black Target Trigger, designed for a crisp 2.25 lb pull. The 19.22 Flat Trigger is a separate configuration rated by Volquartsen at 1.75 lb. If you want the classic black Target Trigger with the full bolt tune-up, this is the kit.
What's the difference between the Competition Kit and the Accurizing Kit?
The Competition Kit includes the entire Accurizing Kit plus the Exact Edge Extractor and SureStrike Firing Pin. Choose the black-trigger Accurizing Kit for the trigger upgrade alone, or this Competition Kit for the complete trigger-and-bolt package.
Will it fit my Ruger MK IV 22/45 or 22/45 Lite?
Yes. Volquartsen designed this kit for Ruger MK IV models, including the MK IV 22/45 and 22/45 Lite with factory frames. It is the correct-generation Competition Kit for these pistols.
Does the Competition Kit include the extractor and firing pin?
Yes—both are included. The Exact Edge Extractor and SureStrike Firing Pin are part of Volquartsen's Bolt Tune-Up Kit, which is bundled with the MK IV Accurizing Kit here. No separate bolt tune-up purchase is necessary.
Does installing the Accurizing Kit change the magazine disconnect?
Yes. The kit eliminates the factory magazine disconnect, so the pistol can fire with the magazine removed. Everyone handling the pistol should understand that change. Follow Volquartsen's installation instructions and verify the pistol's safety functions before use.
Is Pete's Pillars an authorized Volquartsen dealer?
Yes. Pete's Pillars is an authorized Volquartsen dealer offering genuine Volquartsen Ruger Mark IV upgrades. We stock carefully selected competition kits, trigger components and bolt upgrades so you can buy the parts for your next precision rimfire project with confidence.
Small Change. Big Impact. Pete's Pillars.
