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The factory bolt release on the Ruger Mark IV is notoriously tight and hard to manipulate, especially if you've upgraded your grips or have larger hands. The Volquartsen Extended Bolt Release solves this problem with a simple but effective design that gives you a bigger, better surface to work with.
This part extends just 0.050 inches further than the factory release, which might not sound like much until you try it. That extra length combined with the improved flat ergonomic design creates a shelf your thumb can catch easily. The surface is textured with deep serrations that give you real grip even when your hands are sweaty from a shooting session. CNC machined from 416 stainless steel, it's built to hold up to years of use without degradation.
The Volquartsen bolt release fits the standard Mark IV pistol only, not the 22/45 variant. Installation is straightforward for anyone comfortable doing basic gunsmith work, though YouTube videos are readily available if you need visual guidance. Many owners report the swap takes less than an hour. The part's stainless construction means it won't rust or wear quickly, and the flat design prevents any interference with your grip or competition setup.
Owners consistently report that this upgrade makes bolt manipulation significantly easier, especially when running competition grips or switching between magazines during practice. The improved access and control mean you're not hunting around for a tiny tab while maintaining your shooting position. For target shooting, competition, or just casual range time, this part removes one of the Mark IV's few genuine ergonomic shortcomings.
No, this extended bolt release is designed exclusively for the standard Ruger Mark IV pistol. It is not compatible with the 22/45 variant or the Mark IV Lite model. Volquartsen makes a separate part specifically for the 22/45.
Installation is straightforward and takes about an hour for most people with basic gunsmith skills. The Mark IV's simplified takedown makes accessing the bolt release uncomplicated. While YouTube walkthroughs are available to help, many owners report the swap is easier than expected if you've handled similar work before.
The factory release is low profile and can be difficult to actuate, especially with aftermarket grips, larger hands, or during competition shooting. The extended release gives you more surface area and serrations for reliable thumb engagement, making bolt manipulation faster and more positive without compromising your grip.
The stainless finish has a silver appearance that differs from a blued barrel or frame. If you prefer a matching finish, Volquartsen also offers this same extended bolt release in black. Both versions use the same ergonomic design and function identically.
| UPC | 810162014414 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | VC4SR-S |
| Caliber/Gauge | .22 Caliber |
| Model |
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