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  • HDA3 STOCKS and BRACES
  • TRIAD MODULAR BULLPUP CHASSIS
  • SEARCH BY FIREARM
  • SEARCH BY PRODUCT
  • DISCOUNTED PRODUCTS
  • Shop All

    • Shop by Brand

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    • SIG MPX/MCX/RATTLER

    Braces and stocks, fore-grips, and more for the popular SIG MPX, MCX, and Rattler. Upgrade your SIG MPX, MCX, and Rattler with A3 Industries accessories designed to enhance the performance and versatility of your firearm. Whether you're looking for MPX/MCX/Rattler braces, stocks, angled grips, vertical grips, stock adapters, or other upgrades, we've got you covered. Our premium parts are designed for durability, precision, and ease of installation, helping you get the most out of the SIG MPX/MCX/Rattler Platform.

    • THENAR HAND-STOPS Hand-stop doubles a QD socket as well
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      THENAR

      THENAR HAND-STOPS

      The THenar was designed to enhance the operators ability to consistently place their grip in the same location. The patent-pending THenar provides a hard stop for the user to position their thumb over, and provide much of the control lost to thumb-over...

      $39.95
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