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Karve®

(108 reviews) Write a Review
$79.00 - $84.00
Free Shipping
RailScales Karve® M-LOK Hand Stop in Carbon Black®, 3.5-Slot Dragon Black HTP® XOS-H® & XOS-W™ M-LOK Scales | Heckler and Koch 11" MR556A4 SBR
UPC:
0858381006223
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Product Overview

Now shipping with our new custom Torx T20 fastener!

Karve® Hand Stop - 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 2 anodized finishes with a Type 03 Hardcoat anodizing. The Karve is a compact and ultralight solution for multiple shooting styles and is reversible to accommodate a “push” or “pull” style grip. Compatible with modern M-LOK rail systems, it only takes up 1 M-LOK slot, which will allow it to fit inside the cutout of our XOS-H Scales, available in both Machined G10 and High Temp Polymer, making the Karve one of the most versatile solutions on the market.

This will be the final run of the Karve to include the COG multi-mount piece with Keymod compatibility. 

Ships Free and Made in USA

  • XOS-H Scale Compatible
  • Mount Type: M-LOK
  • Footprint: 1-Slot
  • Height: 1.125"
  • Length: 1.5"
  • Width: 0.625"
  • Weight: 0.56oz w/ hardware
  • Material: 6061 Billet Aluminum
  • Finish: Type 03 Hardcoat Anodizing
  • Color: Carbon Black®, Terra Bronze® (see anodizing disclaimer on our FAQ page, line 14 here)
  • Hardware: US Made 416 Stainless M-LOK Nut
  • Fastener: US Made T20 Torx Fastener w/ Nylon Thread Patch

 

 

© 2025 RailScales, LLC. All Rights Reserved. RailScales®, Karve®, XOS-H®, Carbon Black®, Terra Bronze® are registered trademarks of RailScales LLC.

For all patents and trademarks, see www.railscalesip.com

Reviews

(108 reviews) Write a Review

108 Reviews Hide Reviews Show Reviews

  • 4
    Karve

    Posted by Allen on Dec 29th 2022

    Pricey but you pay for the quality.

  • 5
    Karve

    Posted by John Oxford on Nov 27th 2022

    Well made, ultra light weight and very functional. Everything you want in a hand stop with the functionality of the rail scales for additional grip and heat protection.

  • 5
    Precision

    Posted by EZ on Nov 25th 2022

    I would have dropped the rating a star for the price/cost but the quality, material, and precision manufacturing easily gets an extra few stars. The fitment with XOS-H rail and how solid everything feels remarkable.

  • 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
    Karve

    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
    Karve

    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.