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Volquartsen Firearms Extended Bolt Release for Ruger MK IV
$30.00 $29.99
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Most Helpful Positive Review Add this immediately
This should have come with the gun. It is still a bit annoying but much better than the factory part. And truly, it is the guns only flaw in my opinion. It is stupid simple to replace. Just pull a grip panel, lift out the old and set the mew one in its place. Reset the grip and go. Done.
Most Helpful Negative Review Does NOT Fit Mark 4 22/45 LITE
Well there's a huge disappointment Does NOT Fit Mark 4 22/45 LITE. I ordered a bunch of TandemKross & Volquartzen parts only to find they have to be returned. okay so even if it were to have fit it was NO bigger than the release that came with my gun factory OEM
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Extended bolt release for Mark IV

by QCM, Verified Owner from GU, United States Written on May 5, 2025
I bout this by mistake as it doesn’t fit Ruger Mark IV 22/45. This item is just for Mark IV.
Would recommend: Yes
Was it helpful to you? Yes | No

extended bolt release win

by Matt F., Verified Owner from VT, United States Written on May 14, 2024
Really like this over the stock unit. Large enough to get a solid purchase on without being overly wide and cumbersome.

Super easy install and well worth the money
Pros:
  • None
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

A lot better than OEM.

by Matt, from MI, United States Written on December 2, 2023
This part feels, looks and works better than what comes from the factory. Even if you don’t want to make any changes to your Mark IV, you’re gonna want this one. Be careful not to mix up the part for the Mark IV with the part for the 22/45 because they are Not interchangeable. This part is simple to install. The only thing that would have been better is if it came from the factory this way.
Pros:
  • Easy to install
  • Works great
  • Better than the original
Cons:
  • None
Best Used for:
  • The Mark IV and not the 22/45.
Would recommend: Yes
Was it helpful to you? Yes | No

Essential Upgrade

by Matt, from NH, United States Written on April 11, 2021
This extended bolt release provides way more surface area and creates a flat shelf for your thumb to catch making it way easier to operate. The stock release is very low profile but it's unecessarily low. I found my thumb searching for the stock release and sometimes sliding off either direction. With this extended bolt release those problems are eliminated. I was able to install it in only a couple minutes by just taking the handgrip off. The extended release is made from a bit thicker metal than the factory release so when I replaced my grips I did have to sand them down a little bit in order for the release to operate but it wasn't a big deal. Overall I recommend this extended release and don't know why Ruger doesn't just put these on all their Mark pistols right out of the factory.
Would recommend: Yes
2 of 2 found the following review helpful.
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