Product Overview
Now shipping with our new custom Torx T20 fastener!
Karve-P® - This polymer version of our popular Karve machined handstop offers much of the same function and versatility at a fraction of the cost. Composed of the same heat-stabilized nylon as our HTP Scales, the Karve-P is also available in six popular industry colors for matching most color schemes. The Karve-P is available in M-LOK or KeyMod variants, so make sure to choose the correct mounting option when placing your order.
Ships Free and Made in USA
- XOS-H Scale Compatible
- Mount Type: M-LOK or KeyMod
- Footprint: 1-Slot or 2-Holes
- Height: 1.125"
- Length: 1.5"
- Width: 0.625"
- Weight: 0.34oz w/ hardware
- Material: HTP® (Injection Molded Glass Filled High Temp Polymer)
- Color: Black, FDE Tan, OD Green, Sniper Grey, Arctic White, Coyote
- Hardware: US Made 416 Stainless M-LOK or KeyMod Nut
- Fastener: US Made T20 Torx Fastener (M-LOK) or 3/32 Hex Fastener (KeyMod)
© 2025 RailScales, LLC. All Rights Reserved. RailScales®, Karve® Karve-P®, HTP®, XOS-H® are registered trademarks of RailScales LLC.
For all patents and trademarks, see www.railscalesip.com
Reviews
278 Reviews Hide Reviews Show Reviews
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5 Favorite handstop
Posted by Ryan Gordon on Jan 13th 2021
Hands down my favorite index/handstop and the company is top notch with some amazing customer service
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4 Karve-p
Posted by James trombley on Jan 12th 2021
Great for bracing. Slightly small for larger hands.
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5 Karve P
Posted by Josh Butcher on Jan 11th 2021
Great low profile grip
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5 What more could you want?
Posted by Dan Horst on Jan 9th 2021
Most minimal, functional and comfortable handstop available... don’t sleep just buy
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5 Exactly what I wanted!
Posted by Trent on Dec 23rd 2020
I did PLENTY of research on hand stops before making my decision to go with the Karve-P. The price difference compared to the Karve definitely swayed my decision towards the polymer option as I do not mind polymer. The product arrived in excellent packaging and even included a Gratitude note, thanking me as a customer that was hand-signed. You don't see that a lot nowadays. I will 100% be a repeat customer and will recommend Rail Scales to family and friends!
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5 Perfect
Posted by Aaron on Dec 22nd 2020
i was looking for a light minimal handstop. And I believe this is the best one out there. It goes great with their HTP rail scales
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5 Awesome Hand Stop
Posted by Bryce Litfin on Dec 16th 2020
Light, functional, minimal, looks good on anything. What else could you want?
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5 This is "The One"
Posted by Travis Brown on Dec 8th 2020
Simple, light, great ergonomics, and does the job. I'm switching all my AR's over to this one.
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5 Only handstop I use, seriously.
Posted by Noah Carlson on Dec 4th 2020
I have two of these and plan on getting more. They will probably phase out all other grips and handstops I use, until I try out the Anchor and RSB at least!