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Product Overview

Karve® - Offering a wide range of functionality, our patented Karve® Bi-Directional Stop is our most popular forward hand control product. Machined out of 6061 Billet aluminum, and available in 3 popular colors finished with a Type 03 Hardcoat Anodizing, the Karve® is a compact and ultralight solution for multiple shooting styles. Using our COG™ Multi-Mount, it is compatible with both KeyMod and MLOK rail systems, in addition to being reversible to accommodate a “push” or “pull” style grip, while only taking up 1 MLOK slot or 2 KeyMod holes to fit inside the cutout of our XOS-H®, makes the Karve® one of the most versatile solutions on the market. 

Ships Free and Made in USA

  • 2 KeyMod Holes or 1 MLOK Slot
  • Weight: 0.4 oz each w/ hardware
  • Height: 1.125" Inches
  • Length: 1.5 Inches
  • Width: 0.625 Inches
  • 6061 Billet Aluminum
  • Includes MLOK & KeyMod Hardware
  • Utilizes our COG™ Multi-Mount
  • Type 03 Hardcoat Anodizing 


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  • 5
    Karve- Incredible Quality

    Posted by Jeff Engel on May 12th 2023

    I just installed the KARVE hand stop on my DDM4v7. It's absolutely the best hand stop i've used. Great ergonomics. Perfectly manufactured. Looking forward to more Rail Scales products on my other rifles.

  • 5
    Effing Awesome

    Posted by 2A-PEW-PEW-PAPA on Apr 29th 2023

    I love these little bastards!

  • 5
    Great product!

    Posted by Jose Martin Villegas on Apr 28th 2023

    Allows for positive control of the weapon while still being compact and lightweight

  • 5
    Karve Hand Stop

    Posted by Lance on Apr 23rd 2023

    The best hand stop on the market IMO. Works great and is fit and finish are flawless. The price is the only issue with this product, it’s not the best value on the market. If you can find a used one on the second hand market you’ll be better off.

  • 5

    Posted by Roland Thompson on Apr 6th 2023

    Great color and I love how compact it is to fit my Honey Badger.

  • 5
    Karve Billet Bronze

    Posted by Duane Bohmier on Mar 31st 2023

    This little piece of engineering marvel is a beautiful, purposeful addition to my HK416 cloner. Installation was a breeze, almost took less time than opening package and getting the parts out of the baggie . The finger grooves are very aggressive yet easy on the skin. Matching and finish are spot on and the bronze color complimented the bronze ano of my firearm. I will definitely keep them in mind if I’m need of a similar product. Thank you RAILSCALES. CD70

  • 5
    Best Handstop Hands Down

    Posted by Cody V on Mar 1st 2023

    This is my second one and I can't be more positive with it. It looks fantastic, feels great, and is of outstanding quality. You will not go wrong with this handstop.

  • 5
    Great Handstop

    Posted by Faustus on Feb 16th 2023

    It's sturdy, fairly lightweight, minimal, gives a good index for your support hand, and makes an effective barricade brace. It looks nice too. I'm not sure what I would suggest to improve it—the Karve is nearly perfect for its intended application.

  • 5
    Phenomally well designed

    Posted by Connor on Feb 15th 2023

    The trick for forward control devices is roundly improving handling in as many situations as possible, without notable downsides - the Karve does that. I also have the RSB from RS, which is equally well-made, and ideal for different styles of carbines. Like Geissele duty/combat triggers and charging handles, and Aimpoint red dots, RailScales is simply the best game in town for modern forward control devices.