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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 


(78 reviews) Write a Review

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  • 5
    Hecken neat.

    Posted by Patrick O'Oonnell on Sep 22nd 2022

    Super nice packaging. Easy install. Incredibly comfortable. The quality is there, you pay for what you get.

  • 5
    Awesome product

    Posted by Nicholas Smith on Jul 12th 2022

    The Karve is the best forward control piece on the market. It’s slim enough to not get snagged and provides the perfect about of stabilization and indexing. Very happy with this product.

  • 5
    Honestly the best minimal grip/hand stop for a MCX rattler

    Posted by kaid beck on Jul 9th 2022

    Really solid product and materials. It’s smooth on one side and has some aggressive teeth on the other for barrier Shooting. Highly HIGHLY recommended

  • 5

    Posted by Ricco Feliciano on Jul 2nd 2022

    RailScale’s billet aluminum Karve is a functional addition to any modern rifle. Its ingenious cog mounting system allows either M-LOK & KeyMod installs. Flawless fit with any XOS-H, PMM REP-LOK lower rail, or M-LOK handguard . Excellent stability control & barricade stop. I would recommend for any rifle upgrade.

  • 5

    Posted by K on Jun 12th 2022

    Quality item! Fast shipping. 2nd karve purchased and love them

  • 5
    Less is more

    Posted by Jonny Kirkland on Jun 11th 2022

    This hand stop/grip/ finger groove is simply the best. I prefer a clamping grip, I have found that most stops are still too present. This gives me the grip I like and does not interfere with the feel of the hand guard itself.

  • 5
    Drive It!

    Posted by Christopher Lynch on Apr 23rd 2022

    It is the smallest and lightest but most solid handstop I've ever seen.. I've seen a fair amount of weapons come with handstops and stops, the shock wave and the scorpion come to mind.. This is simply a rugged and quality but extremely light weight option that lets you reverse it if you want. You have to have a C grip or similar grip to really take advantage of it pulling backwards But it's versatile enough to run facing forward or backwards. I opted for this over a stubby broomhandle like the Anchor and am happy with it.

  • 5

    Posted by Dalton on Mar 27th 2022

    I have always ran a vertical grip on my rifles over 13”. I was on railscales looking for a completely different product when I came across the Karve. Within days the Karve arrived and like everyone else I put it on my DDM4V7 that day. The next day I took it the range and was instantly happy with the purchase. I was able to get up on sights extremely quick and I found that I was a good bit more accurate when firing from a standing position. The feeling of this stop is next level, I highly recommend to anyone that is on the fence wether or not to purchase this to DO it!

  • 5
    Karve Handstop is Pretty Darn Good

    Posted by Cody Villarreal on Mar 26th 2022

    Have the Karve handstop on my 9in AR, it works fine for now until I form 1 my gun. Awesome product so far!