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QTR-LT™ Stop

(4 reviews) Write a Review
$109.00 - $114.00
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Product Overview

QTR-LT™ Stop - A narrower variant of our popular QTR Stop, the QTR-LT Stop was specifically designed for the MCX-Rattler LT rail for a foreign defense contract. Designed as a lightweight solution to prevent shooters from slipping a hand in front of the muzzle, and filling the side gaps up to the rail to prevent heat exposure from muzzle blasts. The QTR-LT Stop works as intended on any Sig MCX-SPEAR LT/Rattler LT rails, as well as many other M-LOK forend rails (see compatibility list below). Its upward ears were designed to flow and mate specifically with the Sig LT-rail profile to create a wide and seamless barrier. Made out of 7075 Aluminum and hard anodized in Carbon Black or Terra Bronze, and weighing in at just under half an ounce. The QTR-LT Stop takes up only 1/2 M-LOK slot at the end of the rail by utilizing a mini M-LOK recoil lug that hangs over the front lip of the rail. The QTR-LT Stop creates a perfect indexing point to bring the rifle on target securely and consistently. Mounts to 0.625" wide M-LOK flat or narrower.

Ships Free and Made in USA

  • Mount Type: M-LOK
  • Footprint: 1/2-Slot
  • Height: 0.850"(from rail) 1.108" (overall)
  • Length: 1.050" 
  • Width: 1.450"
  • Weight: 0.56oz w/ hardware
  • Material: 7075-T6 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

Fitment & Compatibility List:

  • BCM MCMR M-LOK Rail - Regular Slot: Yes, Forward Slot: Yes
  • Dakota Tactical MHS-5/5K M-LOK Rails - Regular Slot: Yes, Forward Slot: Yes
  • Daniel Defense MFR M-LOK (Not XL) - Regular Slot: Yes, Foward Slot: Yes (Varies between rail lengths)
  • Geissele MK16 Rail - Regular Slot: Yes, Forward Lip: Yes
  • Noveske NSR Gen 4 M-LOK Rail - Regular Slot: Yes, Forward Lip: Yes
  • Sig Sauer MCX-Rattler LT Rail - Regular Slot: Yes, Forward Lip: Yes (May hang off if stacked)
  • Sig Sauer MCX-SPEAR LT Rail - Regular Slot: Yes, Forward Lip: Yes (May hang off if stacked)
  • Sig Sauer MCX-SURG Low-Profile Rail - Regular Slot: Yes, Forward Lip: Yes (May hang off if stacked)
  • Sig Sauer MCX Virtus SD Rail - Regular Slot: Yes, Forward Lip: Yes
  • Q Honey Badger Rail - Regular Slot: Yes, Forward Lip: No

Does Not Fit: 

  • CZ Scorpion 3 Plus Factory MLOK Rail 
  • Daniel Defense RIS 3 Rail
  • KAC URX4 M-LOK Rail
  • LMT MRP M-LOK Upper/Rail
  • Noveske NSR Gen 3 M-LOK
  • Sig Sauer M400/M400 SDI X M-LOK Rail
  • Sig Sauer MCX Rattler U-Rail (Gen 1 5.5")
  • Sig Sauer MCX-SPEAR (7.62x51/308/6.5/6.8)
  • Sig Sauer MCX-SPEAR LT SD Rail - Use regular QTR Stop for LT SD rail
  • Sig Sauer MCX-SURG SD Rail (Wide Rail)
  • Sig Sauer MCX Virtus U-Rail Rail
  • Sig Sauer MPX/MPX-K M-LOK Rail

If you don't see your rail listed or have questions, email fitment@railscales.us

 

 

© 2024 RailScales, LLC. All Rights Reserved. RailScales®, QTR™, QTR-LT™, Carbon Black®, Terra Bronze® are registered trademarks of RailScales LLC.

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

Reviews

(4 reviews) Write a Review

4 Reviews Hide Reviews Show Reviews

  • 4
    Rail scales

    Posted by Eric on May 17th 2025

    I recently purchased the dragon scales as well as the qtr Lt stop and I am satisfied with both products…the rail scales beat out any other similar design because they are not some cheap plastic. Take your rifle to the next level with these products. Reason for 4 stars is the price point however, I will be purchasing again on the next build!

  • 5
    Barricade stop

    Posted by Jessica Newsom on Jan 9th 2025

    Really rugged and one of the best looking barricade stops!

  • 5
    Awesome!

    Posted by Irving R. on Dec 11th 2024

    Amazing quality and just drips with legit… Don’t hesitate! These dudes make amazing gear.

  • 5
    QTR LT

    Posted by Jay Vance on Nov 6th 2024

    As advertised