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VC Mainspring for Ruger Pistols

Black Mainspring Housing

VC Mainspring for Ruger Pistols

Complete mainspring assembly designed for the Ruger MKII or MKIII. Mainspring components are wire EDM-cut and CNC-machined.

Our mainspring does not feature the lock feature found on the Ruger factory MKIII Mainspring.


  • Models available for either the Ruger MKII/MKIII or the 22/45
  • Made in the USA

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©2019 Volquartsen Firearms
All serial numbered items must be shipped to an FFL dealer.
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10/22, 22/45, Mark III, and MK IV are registered trademarks of Sturm, Ruger & Co., Inc.

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