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Having issues with the Bolt Stop Cross Pin walking out of your MK IV frame during heavy use? Our all new V-Lock Retainer provides positive retention of the pin so that it can't drift out on it's own, but without impacting your ability to take apart the pistol.
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- Replaces part # 41 on the Ruger MK IV and part # 37 on the Ruger MK IV 22/45
- Product Number: V4LS
- Made in the USA
Complete installation instructions are
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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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