Volquartsen

Bolt Tune Up Kit for Ruger MKII, MKIII, MKIV, and 22/45 Improve the reliability of feeding, firing, and ejecting on your pistol... Eliminate light strikes and stovepipes. This very simple upgrade, replaces the mass production stamped sheet metal parts in...

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...

FireFly Subsonic 10/22 BoltThe Firefly Bolt upgrades your Ruger® 10/22® for optimal subsonic performance.This CNC-machined, Type III hard-anodized aluminum bolt is lightweight and designed to cycle with a wide range of subsonic ammo, from CCI® Quiets...

Picatinny Rail for Ruger MK IV This rail can be mounted in two directions, allowing the rear sight to stay mounted; when reversed, it will cover the rear sight dovetail. Fits factory Ruger MKIII and MK IV uppers. Mounts in Two Directions Fits Ruger MKIV...

Pistol Competition Kit, MKIII, Gold Flat Trigger The Volquartsen Pistol Competition Kit for your Ruger Mark III is an upgrade on top of an upgrade on top of an Upgrade. It starts with the original Mark III Acurrizing Kit. A Bolt Tune Up Kit is added...

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...