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Installation of the Volquartsen Safety Power Spring for the Ruger® MK IV™

Our Safety Power Spring for the Ruger® MK IV™ increases the force required when going from "fire" to "safe." The increased force addresses those shooters who may inadvertently engage the safety during firing. Installs in minutes and fits all models of the Ruger® MK IV™ including the 22/45™ and 22/45™ Lite.
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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 trademarks of Sturm, Ruger & Co., Inc.

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