Sentinel Guide Rod for Ruger® Mark™ Series by Rim/Edge


(13 reviews) Write a Review
0.30 LBS
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Sentinel Guide Rod for Ruger® Mark™ Series Installation Instructions


At a Glance:

  • Easy to clean and maintain

  • Low friction surface finish

  • Simple drop-in installation

The Sentinel Guide Rod for Ruger® Mark™ Series is crafted with precision and designed for excellence. This guide rod features a high lubricity surface finish to make every operation smoother than ever before. Engineered to optimize performance, the Sentinel is sure to improve the experience of firing your Ruger® Mark™ Series pistol.

The Sentinel Guide Rod can be fully disassembled for easy and thorough cleaning, ensuring your firearm remains in top-notch condition. Thanks to its captured spring design, installation is quick and simple. Get a Sentinel to guide you to success today!

Grab a TANDEMKROSS Essential Maintenance Kit for Ruger® Mark™ Series for the ultimate upgrade to your bolt’s performance.

Supported Models:

IMPORTANT: This product is designed to work with current factory production Ruger® firing pins and TANDEMKROSS Fire Starter Titanium Firing Pins. Proper function is not guaranteed with previous generation firing pins or non-TANDEMKROSS aftermarket pins. Compatibility with aftermarket bolts is not guaranteed.

This product is protected against mechanical failure for life by TANDEMKROSS’s Lifetime Guarantee. Learn more about our warranty and returns policies here.



WARNING: This product can expose you to chemicals including chromium, which is known to the State of California to cause reproductive harm. For more information go to

13 Reviews

  • 5
    Sentinel Guide Rod

    Posted by Peter A Osborne on 26th Feb 2024

    This rod was perfect. It dropped right in place as it should have. and now I have a Ruger Mark series to take to the range. Cheers!

  • 5
    Quality and convenience

    Posted by Terry Tate on 12th Jan 2024

    A great update for my MkIV Makes cleaning and maintaining proper performance of the bolt a breeze

  • 5
    Hunter MK 3

    Posted by Glenn on 27th Dec 2023

    Fit like the oem part. 500 rounds no problems at all. Bolt was noticeable smoother in my Hunter MK3 Good business to deal with fast shipping.

  • 5
    Great addition

    Posted by Charles on 24th Dec 2023

    Allow me to thoroughly clean this part. Highly recommend replacing the original with this guide Rod.

  • 5

    Posted by Paul Badeaux on 13th Nov 2023

    This Sentinel replacement guide rod made a noticeable improvement in the operation and lock up of my Mk3. Very smooth.

  • 5

    Posted by Matrixman on 6th Nov 2023

    Like everything else ive purchased from this company fit,finish, function is outstanding. Its amazing how you can see and feel the difference their products make.

  • 5
    Better than OEM Ruger Mark 4 guide rod

    Posted by HML1950 on 6th Nov 2023

    It performs well and the abilities clean it better than the OEM one makes me wish I had it sooner.

  • 5
    Sentinel guide rod for Ruger mkIV

    Posted by FRANK on 6th Nov 2023

    Works as advertised. Good products and good company to do business with.

  • 5
    Sentinel Guilde Rod

    Posted by Bill Reynolds on 6th Nov 2023

    Works great, very easy to install. Great service and fast delivery