Thumb Rest for Ruger® Mark IV 22/45 by Striplin Custom Gunworks

Striplin Custom Gunworks

(54 reviews) Write a Review
0.30 LBS
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Ruger MKIV 22/45 Thumb Rest by Striplin Custom Guns Installation Instructions

At a glance:

  • Provides stability and control for follow on shots
  • Ideal thumb placement for secure two-handed grip
  • Increases grip strength and prevents muzzle rise
  • No permanent modifications required

**Note: If you are installing your Striplin Custom Thumb Rest into a [TK] Kraken frame that came with the front Pivot Kit installed, you will need different hardware. Please put a note in the comments section at checkout and we will include that for you!


Whether you’re competing in shooting sports or just working to improve your accuracy and speed, an improved grip on your pistol is key. The Striplin Custom Thumb Rest for Ruger® MKIV 22/45™ offers the improved grip and control you need to take this pistol from good to great!

Machined from billet aluminum and cerakoted in black, the new Ruger® MKIV™ 22/45™ Thumb Rest from Striplin Custom requires no permanent modification to the gun’s frame and installs in minutes.

The thumb ledge offers an ideal thumb placement for a secure two-handed grip and provides consistent hand positioning and helps to control muzzle flip. The thumb rest also includes a new trigger pin and front lug screw.

Supported Models:

  • Ruger® MKIV™ 22/45™
  • Ruger® MKIV™ 22/45™ Tactical
  • Ruger® MKIV™ 22/45™ LITE



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

54 Reviews

  • 4
    thumb rest

    Posted by mike on 9th Aug 2023

    this working like I hoped it would, great addition to a Ruger mk iv 22/45. quality is excellent. would recommend it to anyone.

  • 5
    Thumb rest for Ruger MK IV 22/45

    Posted by Rick on 3rd Aug 2023

    Excellent product - VERY easy to install, and for my arthritic hands, makes the grip much more comfortable and solid.

  • 5
    Thumb Rest

    Posted by DON Morales on 15th Jul 2023

    Well made with quality materials and fitment is excellent. Works well on my Ruger MK-IV 22/45 Tactical. Good accessory for the gun and for competition shooting

  • 5

    Posted by John on 28th Oct 2022

    Excellent thumb rest and very comfortable IF you are right-handed. I'm not. PLEASE PLEASE PLEASE make a left-handed thumb rest for the Ruger Mark IV 22/45.

  • 5
    Thumb Rest

    Posted by Jody on 9th Aug 2022

    Greatly improves stability, very comfortable. Great install video as all their videos are excellent.

  • 5
    Love it

    Posted by Keith on 21st May 2022

    I love this rest. It looks awesome (red) on my gun, and helps with accuracy and follow up shots

  • 5
    Great addition!

    Posted by Gingy Beard on 6th May 2022

    This was my first firearm to have a thumb rest and I was amazed at the difference in groupings!

  • 5
    Thumb Rest

    Posted by Gene Marsh on 18th Apr 2022

    Works as advertised and easy to install. Liked it so much I ordered one for a friend.

  • 5
    Thumb rest

    Posted by Anthony on 17th Apr 2022

    Very nice part and works as it should