VC Main Spring for Ruger Pistols

Main Spring Assemblies for Ruger Mk II, III, and 22/45
  Precision made replacement for factory main spring assembly. Wire EDM and CNC machined to give the best fit and performance. Mk II and III version differs from 22/45 version due to grip angle difference in the original Ruger pistol frames.

Volquartsen Frame Fitting Notes:
  -The Mk II Mk III Spring fits the Volquartsen Mk III Aluminum Frame.
  -The 22/45 Spring fits the Volquartsen 22/45 Aluminum Frame.