Volquartsen Firearms specializes in rimfire ... and the Competition Bolt for Ruger’s Mark IV pistol is a prime example of the latter. Incorporating a number of improvements over the factory ...

The Ruger Mark series of pistols in general are the best-selling .22 semi-automatic pistols of all time. But what Volquartsen did ... in either a 6 inch or 4.5 inch variation, is built out of ...

Competition is tough in the gunsmith business, so in 1991, Volquartsen made the decision to specialize in rimfires. Ruger 10/22 accessories were the first offerings. There was no shortage of ...