At a Glance:
- Fits virtually any pistol with 1913 picatinny or Weaver rail under barrel
- Easily install additional point of contact for control with no permanent modifications
- Sturdy construction and material; made of durable and lightweight aluminum
The TANDEMKROSS Accelerator Thumb Ledge for Pistols is a simple, effective, and affordable way to better control the recoil of your favorite pistol and get multiple, faster shots on target. This popular upgrade is available in a right-handed or left-handed configuration! When selecting your Accelerator Thumb Ledge, right-handed or left-handed is in reference to your hand dominance. Left-handed shooters should choose the left-handed option and right-handed shooters should choose the right-handed option.
Thumb rests, thumb ledges, or “gas pedals” are a very common and popular way to gain an additional point of contact on your pistol. This helps to support a firmer grip, encourage proper hand placement, and gain more control over recoil and muzzle rise.
Thanks to TANDEMKROSS’s Accelerator, any pistol owner with a 1913 picatinny rail under their barrel can now have a forward thumb ledge with just the twist of a single screw! Not only is the Accelerator lightweight, but it’s also highly durable!
Many thumb rests are uniquely designed to fit only one specific firearm. The TANDEMKROSS Accelerator fastens directly to standard under-barrel picatinny or Weaver rails to make this must-have accessory practically universal!
Get an Accelerator Thumb Ledge to improve the ergonomics and increase the control of your favorite competition or recreation pistol TODAY!

Above: Right Handed, Red Accelerator shown installed for right-handed user

Above: Left Handed, Black Accelerator shown installed for left-handed user
Supported Models:
- Browning® Buck Mark Black Label
- Browning® Buck Mark Lite UFX
- FN® 502™ Tactical
- KelTec® PMR30™
- Ruger-5.7™
- Ruger® Mark III™ Tactical
- Ruger® Mark III™ 22/45™ Tactical
- Ruger® Mark IV™ Tactical
- Ruger® Mark IV™ 22/45™ Tactical
- TaurusTX™ 22 Standard & Competition
- Taurus™ G3, G3C, G3 Tactical, G3X, & G3XL
- Taurus™ G2S & G2C
- Walther® P22® Q
- And virtually ANY pistol with underbarrel picatinny rails!
IMPORTANT: This product is NOT compatible with nor recommended for use on revolvers. The Accelerator Thumb Ledge is also NOT compatible with nor recommended for use on any pistol utilizing any proprietary accessory rails or other rail systems noncompliant with standard 1913 picatinny or Weaver rail specifications.
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 cancer. For more information go to www.P65Warnings.ca.gov
93 Reviews
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I love this product.
Please design IWB or OWB holsters for this product, especially H&K P30 holster.
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Accelerator Thumb Ledge for Pistols
Extremely easy to install! This product can be used on any firearm with a pic rail. And, it comes in different colors. I ordered mine in red and it is a nice accent to my all-black pistol. Please note: once installed, it can crowd your pic rail and may make it difficult to install a weapon light. However, I wasn't planning to install a weapon light on any of my .22's, hence the 5-Star rating. Tnx, TK!
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Thumb ledge
This has tremendously helped my grouping shooting freehand. I now have a good grip and a steady hand. Much better than a hundred dollar or more hour long lesson!
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Thumb ledge
Looks good and seems to work as it should, a few runs at the range will tell.
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CZ Shadow 2 OR
I am glad i purchased this as it will help me stay steadier, Old age!!
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added stability
This little gem is a game changer. I installed it on a Taurus TX22 with a forced reset trigger. Because of the fast cycling, it had a tendency to jump a lot, even though it's only .22cal. This helps keep the nose pointed right where it needs to be.
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Thumb rest
Have two of these left hsnded on my TX22 Comp pistols. Work great stabilizing the two handed grip.
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Awesome thumb rest
I have a bad left hand, and could never handle the recoil. Always coming out of my left hand when shooting. After applying the thumb rest, i can finally hold on to the gun with my left hand. Great product for any gun with a rail. Highly recommend for a much better grip. Thank you tandem kross.
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Thumb ledge for lefties
It is hard to find a thumb ledge for left handed shooters, so I found this one and gave it a try. It fits perfectly and I ordered more for a couple other guns and my husband had me order a couple right handed ones for him. My only complaint is that I wish it was in a matte black to more closely match the finish on my firearm, the gloss stands out too much. I am overall very pleased and would highly recommend this thumb rest.