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Thumb rest for AR15

Carbine Thumb Rest - MLOK

Gain positive control of your scoped carbine with the MLOK Carbine Thumb Rest. Our thumb rest was designed specifically for installation on octogonal-shaped carbine rails to improve foreend control with your support hand. This accessory is an excellent addition to your scoped competition rifle or fighting carbine.


The MLOK Carbine Thumb Rest will also help fit shooters with small hands or rifles that have optics or accessories in the way of proper support hand position. Achieve natural point of aim and proper body position without sacrificing control on the rifle.


The MLOK Carbine Thumb Rest features:


  • MLOK attachment that uses only one complete MLOK length
  • Modern, 3D printed, Nylon polymer construction
  • Snag-free design with generous thumb pad
  • Medium traction surface and edge lip for positive grip and control
  • Reversible - Fits left or right side of your rifle
  • Fits typical octogonal-shaped MLOK rails or chassis; will not fit straight-walled rails or chassis systems. Not recommended for Sgt of Arms ARCA Rails.
  • MLOK hardware provided
  • Available in Shadow Black color
  • Weighs only 8 grams (0.3oz) with hardware
  • Made in the USA

    The provided hardware should be torqued to 15 in-lbs per MLOK specifications for polymer-to-metal handguards or polymer-to-polymer handguards.

  • Need a Thumb Rest for a straight-walled MLOK rail?

    Check out our Chassis Thumb Rest

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