MarkPRO Extended Magazine Bumper for Ruger® Mark IV 22/45 (2-Pack)


(96 reviews) Write a Review
0.50 LBS
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Ruger® MKIV™ 22/45™ Magazine Bumper Instructions


At a glance:

  • Oversized bumper improves consistency of positive magazine seating
  • Lateral grip pulls make pulling from magazine well easy
  • Zytel® based bumpers offer the ultimate strength and durability


*Includes two base pads per order.*

The Ruger® Mark IV™ 22/45™ has become a favorite rimfire pistol among competitive shooters, but the flush surface on the magazine base pads can be challenging for competitors, making it harder to consistently seat the magazine properly and causing unnecessary delays.

The TANDEMKROSS MarkPRO Extended Magazine Bumpers for Ruger® Mark IV™ 22/45™ offers an oversized, textured Zytel® grip, allowing the user to easily bump the magazine into place for positive, consistent magazine seatings. Should the magazine get stuck, the extended base pad allow for easy pulling from the magazine well for faster magazine changes.

These drop-in Mark IV™ 22/45™ accessories attach to the bottom of the factory magazine without any glue or gunsmithing - installing in minutes! This simple Mark IV 22/45 upgrade is ideal for competitive speed shooters or any Ruger® MarkIV™ 22/45™ or Ruger® Mark IV™ 22/45™ LITE owner looking to improve the firearm’s reliability. Improve your older pistols with this upgrade, too! These magazine bumpers are also compatible with Ruger® Mark III™ 22/45™ and Ruger® Mark II™ 22/45™ models!

Supported Models:

  • Ruger® Mark IV™ 22/45™
  • Ruger® Mark IV™ 22/45™ Tactical
  • Ruger® Mark IV™ 22/45™ LITE
  • Ruger® Mark III™ 22/45™
  • Ruger® Mark III™ 22/45™ LITE
  • Ruger® Mark II™ 22/45™

Don't forget, all TANDEMKROSS products are Made in the USA and come with a LIFETIME guarantee!

96 Reviews

  • 5
    MarkPro extended magazine

    Posted by Donna on 10th Nov 2022

    since I sold both of my mark 3's which were the 22/45 target models and purchased 2 new Ruger MKIV22/45 Lites, I had 12 left over magazines that I converted with the use of the Tandemkross MarkPro Extended magazine to fit the Ruger MKIV 22/45. I couldn't be happier with the product

  • 5
    My palms are happy

    Posted by Alex on 6th Nov 2022

    I had adopted a weird use of my wrist to try to smoothly seat the mag into my gun... now I can just pop em in like normal

  • 5

    Posted by Kevin on 17th Aug 2022

    Good quality and easy installation. No pinched hands doing reloads.

  • 4
    Worth it!

    Posted by Josh on 17th Aug 2022

    Easy to install, came in a combo kit with the green springs and follower (which isn't available to review). Improves magazine loading. Definitely a great purchase!

  • 5
    Mag bumper

    Posted by Jody on 9th Aug 2022

    Highly recommend this upgrade. I also recommend tunning the mag while you have it apart, good video on YouTube to do it. Looks much better also.

  • 5
    Bump Pads

    Posted by Bill on 29th Jul 2022

    A must have upgrade. TK's design,functionality, material used and ease of installation is top notch.

  • 5
    Wish they were narrower

    Posted by Chris on 17th Jul 2022

    Less expensive than other options, yet still do a fine job. My only peeve is the width. They don't fit in my mag rack, whereas the ones from V (which also do a fine job) are narrower and do fit my rack.

  • 5
    Must Have

    Posted by Andy on 10th Jul 2022

    If you have a Ruger Mark IV you are bound to run into the situation where you put the magazine "in" then rack and fire, only to find out that "in" is not in :) Especially if you are using a larger grip. These bumpers give just a bit more extension to allow a 100% insertion of the magazine. WHen you are installing them - watch the view and watch the part about holding your finger so the spring can not shoot out twice :)

  • 5

    Posted by Bobdog on 1st Jun 2022

    Always exceptional service and high quality accessories! My "go to" supplier for my MKIV's and love my Kraken lower!