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      • GALIL ACE
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  • HDA3 STOCKS and BRACES
  • TRIAD MODULAR BULLPUP CHASSIS
    • TRIAD CHASSIS
    • TRIAD ACCESSORIES
  • SEARCH BY FIREARM
    • SPRINGFIELD KUNA
      • KUNA Braces
      • KUNA Grips
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      • APC
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      • BREN 2
      • SCORPION
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    • HK (HECKLER and KOCH)
      • MP5/SP5
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    • IWI (ISRAEL WEAPON INDUSTRIES)
      • GALIL ACE
      • UZI PRO
    • KELTEC
      • CP33
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    • KRISS VECTOR
      • VECTOR BRACES
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      • DEFENDER BRACES
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    • RUGER
      • PC CHARGER
      • LC CHARGER AND CARBINE
    • SIG MPX/MCX/RATTLER
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  • SEARCH BY PRODUCT
    • VERTICAL FOREGRIPS
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    • STABILIZING BRACES
    • STOCK/BRACE ADAPTERS
    • AR GRIPS
    • RAIL ACCESSORIES
    • WOOD FURNITURE
    • RECEIVERS / CHARGING HANDLES and RELATED
    • MAGAZINES
    • MUZZLE BRAKES and FLASH SUPPRESSORS
  • DISCOUNTED PRODUCTS
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  • A3 INDUSTRIES
  • HDA3
  • MAGPUL
  • B&T
  • UTG
  • JMK Customs
  • STRIKE INDUSTRIES
  • LINGLE INDUSTRIES
  • PARKER MOUNTAIN MACHINE
  • RISE ARMAMENT
  • TIMNEY
  • A3-JMK
  • BCM
  • FARROWTECH
  • FOXTROT MIKE
  • GEARHEAD WORKS
  • REPTILIA CORP
  • SB TACTICAL
  • ULTRADYNE
  • B5 SYSTEMS
  • HERA
  • HEXMAG
  • KCI USA
  • Kinetic Development Group
  • KNS PRECISION
  • LANCER
  • MATADOR ARMS
  • MEAN ARMS
  • POF USA
  • REHV ARMS
  • T
  • THENAR
  • TriggerTech
  • View all Brands

    • Main Menu

  • INSTALLATION INSTRUCTIONS
  • CONTACT US
  • SHIPPING and RETURNS
  • ABOUT US
  • NEWSLETTER
  • STOCKING DEALERS
  • HDA3 FAQ
  • TRIAD INFO FAQ
  • WARRANTY/DISCLAIMER
    • Connect with Us:
  • Gift Certificates
  • Login or Sign Up

Shop by Category

  • HDA3 STOCKS and BRACES
  • TRIAD MODULAR BULLPUP CHASSIS
    • TRIAD CHASSIS
    • TRIAD ACCESSORIES
  • SEARCH BY FIREARM
    • SPRINGFIELD KUNA
      • KUNA Braces
      • KUNA Grips
      • KUNA Miscellaneous
      • KUNA Stocks
    • FN SCAR
      • SCAR BRACES
      • SCAR GRIPS
      • SCAR MISCELLANEOUS
      • SCAR STOCKS
    • AR and VARIANTS
      • AR BRACES
      • AR GRIPS
      • AR MISCELLANEOUS
      • AR STOCKS
    • AK and VARIANTS
      • AK BRACES
      • AK GRIPS
      • AK MISCELLANEOUS
      • AK STOCKS
    • B&T (BRUGGER and THOMET)
      • APC
      • GHM
      • TP9
      • USW
    • BERETTA PMX
      • BERETTA PMX BRACES
      • BERETTA PMX GRIPS
      • BERETTA PMX MAGAZINES
      • BERETTA PMX STOCKS
      • BERETTA MISCELLANEOUS
    • CZ
      • BREN 2
      • SCORPION
    • GRAND POWER STRIBOG
      • STRIBOG GRIPS
      • STRIBOG MISCELLANEOUS
      • STRIBOG STOCKS
      • STRIBOG BRACES
    • HK (HECKLER and KOCH)
      • MP5/SP5
      • MP5K/SP5K
    • IWI (ISRAEL WEAPON INDUSTRIES)
      • GALIL ACE
      • UZI PRO
    • KELTEC
      • CP33
      • P50
    • KRISS VECTOR
      • VECTOR BRACES
      • VECTOR GRIPS
      • VECTOR MISCELLANEOUS
      • VECTOR STOCKS
    • MASTERPIECE ARMS DEFENDER
      • DEFENDER BRACES
      • DEFENDER GRIPS
      • DEFENDER MISCELLANEOUS
      • DEFENDER STOCKS
    • PRIMARY WEAPON SYSTEMS UXR
      • UXR ACCESSORIES
      • UXR GRIPS
      • UXR STOCKS
    • UTAS UT9
      • UT9 BRACES
      • UT9 GRIPS
      • UT9 MISCELLANEOUS
      • UT9 STOCK
    • RUGER
      • PC CHARGER
      • LC CHARGER AND CARBINE
    • SIG MPX/MCX/RATTLER
      • SIG BRACES
      • SIG GRIPS
      • SIG MISCELLANEOUS
      • SIG STOCKS
  • SEARCH BY PRODUCT
    • VERTICAL FOREGRIPS
    • ANGLED FOREGRIPS and HAND-STOPS
    • STOCKS
    • STABILIZING BRACES
    • STOCK/BRACE ADAPTERS
    • AR GRIPS
    • RAIL ACCESSORIES
    • WOOD FURNITURE
    • RECEIVERS / CHARGING HANDLES and RELATED
    • MAGAZINES
    • MUZZLE BRAKES and FLASH SUPPRESSORS
  • DISCOUNTED PRODUCTS
  • Shop All

    • Shop by Brand

  • A3 INDUSTRIES
  • HDA3
  • MAGPUL
  • B&T
  • UTG
  • JMK Customs
  • STRIKE INDUSTRIES
  • LINGLE INDUSTRIES
  • PARKER MOUNTAIN MACHINE
  • RISE ARMAMENT
  • View all Brands

    • Featured Products

    • SALE
      JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER
      Quick view Details

      sku: ALK-FM-12.5

      JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER

      MSRP:
      Was: $1,334.24
      Now: $999.95
      Add to Cart
    • SALE
      Discounted Modular Brace Discounted Modular Brace Discounted Modular Brace Discounted Modular Brace
      Quick view Details

      A3 INDUSTRIES

      Discounted Modular Brace

      MSRP:
      Was: $199.95
      Now: $99.95
      Add to Cart
    • ALM Stock ALM - ADJUSTABLE LENGTH MODULAR FOLDING STOCKS - PICATINNY (1913) ALM Stock ALM - ADJUSTABLE LENGTH MODULAR FOLDING STOCKS - PICATINNY (1913)
      Quick view Details

      A3 INDUSTRIES

      |

      sku: ALMS

      ALM - ADJUSTABLE LENGTH MODULAR FOLDING STOCKS - PICATINNY (1913)

      MSRP:
      Was:
      Now: $249.95 - $279.95
      Choose Options
    • ALM Brace ALM - ADJUSTABLE LENGTH MODULAR FOLDING BRACES - PICATINNY (1913) ALM Brace ALM - ADJUSTABLE LENGTH MODULAR FOLDING BRACES - PICATINNY (1913)
      Quick view Details

      A3 INDUSTRIES

      |

      sku: ALMB

      ALM - ADJUSTABLE LENGTH MODULAR FOLDING BRACES - PICATINNY (1913)

      MSRP:
      Was:
      Now: $239.95 - $289.95
      Choose Options
    • POLYMER FOLDING STOCK | 1913 Folding Stocks POLYMER FOLDING STOCK | 1913 Folding Stocks POLYMER FOLDING STOCK | 1913 Folding Stocks POLYMER FOLDING STOCK | 1913 Folding Stocks
      Quick view Details

      A3 INDUSTRIES

      |

      sku: PFS

      POLYMER FOLDING STOCK | 1913 Folding Stocks

      MSRP:
      Was:
      Now: $139.95 - $179.95
      Choose Options
    • FOXTROT MIKE .300 BLK FM-15 BUFFERLESS UPPER RECEIVER FOXTROT MIKE .300 BLK FM-15 BUFFERLESS UPPER RECEIVER FOXTROT MIKE .300 BLK FM-15 BUFFERLESS UPPER RECEIVER FOXTROT MIKE .300 BLK FM-15 BUFFERLESS UPPER RECEIVER
      Quick view Details

      FOXTROT MIKE

      FOXTROT MIKE .300 BLK FM-15 BUFFERLESS UPPER RECEIVER

      MSRP:
      Now: $499.95
      Choose Options

    Current Top Sellers

    • POLYMER STEADY-BRACE - Pistol Stabilizing Brace POLYMER STEADY-BRACE - Pistol Stabilizing Brace POLYMER STEADY-BRACE - Pistol Stabilizing Brace POLYMER STEADY-BRACE - Pistol Stabilizing Brace
      Quick view Details

      A3 INDUSTRIES

      |

      sku: SB-001

      POLYMER STEADY-BRACE - Pistol Stabilizing Brace

      MSRP:
      Now: $49.95
      Add to Cart
    • MODULAR FOLDING BRACE - PICATINNY MOUNT (1913) MODULAR FOLDING BRACE - PICATINNY MOUNT (1913) MODULAR FOLDING BRACE - PICATINNY MOUNT (1913) MODULAR FOLDING BRACE - PICATINNY MOUNT (1913)
      Quick view Details

      A3 INDUSTRIES

      |

      sku: MFB

      MODULAR FOLDING BRACE - PICATINNY MOUNT (1913)

      MSRP:
      Was:
      Now: $199.95 - $249.95
      Choose Options
    • MODULAR VERTICAL FOREGRIP W/INTEGRATED HAND-STOP - COMPACT MODULAR VERTICAL FOREGRIP W/INTEGRATED HAND-STOP - COMPACT MODULAR VERTICAL FOREGRIP W/INTEGRATED HAND-STOP - COMPACT MODULAR VERTICAL FOREGRIP W/INTEGRATED HAND-STOP - COMPACT
      Quick view Details

      A3 INDUSTRIES

      |

      sku: MVFG-COMP

      MODULAR VERTICAL FOREGRIP W/INTEGRATED HAND-STOP - COMPACT

      MSRP:
      Was:
      Now: $69.95 - $89.95
      Choose Options
    • XENO CHEEK RISERS XENO CHEEK RISERS XENO CHEEK RISERS XENO CHEEK RISERS
      Quick view Details

      A3 INDUSTRIES

      |

      sku: XCRU-113

      XENO CHEEK RISERS

      MSRP:
      Now: $49.95
      View Details
    • MODULAR FOLDING STOCKS | 1913 Mount Folding Stock MODULAR FOLDING STOCKS | 1913 Mount Folding Stock MODULAR FOLDING STOCKS | 1913 Mount Folding Stock MODULAR FOLDING STOCKS | 1913 Mount Folding Stock
      Quick view Details

      A3 INDUSTRIES

      |

      sku: MS-H2

      MODULAR FOLDING STOCKS | 1913 Mount Folding Stock

      MSRP:
      Was:
      Now: $199.95 - $249.95
      Choose Options
    • 1913 (PICATINNY) FOLDING TRIANGLE STOCK TRIANGLE STOCK | 1913 Mount Folding Stock 1913 (PICATINNY) FOLDING TRIANGLE STOCK TRIANGLE STOCK | 1913 Mount Folding Stock
      Quick view Details

      A3 INDUSTRIES

      |

      sku: TS-PIC

      TRIANGLE STOCK | 1913 Mount Folding Stock

      MSRP:
      Was:
      Now: $99.95 - $199.95
      Choose Options
    • MODULAR FOLDING BRACE - BERETTA PMX MODULAR FOLDING BRACE - BERETTA PMX MODULAR FOLDING BRACE - BERETTA PMX MODULAR FOLDING BRACE - BERETTA PMX
      Quick view Details

      A3 INDUSTRIES

      |

      sku: MB-PMX

      MODULAR FOLDING BRACE - BERETTA PMX

      MSRP:
      Was:
      Now: $199.95 - $239.95
      Choose Options
    • VIS COMPACT QUICK-DISCONNECT (QD) SLING SOCKET VIS COMPACT QUICK-DISCONNECT (QD) SLING SOCKET VIS COMPACT QUICK-DISCONNECT (QD) SLING SOCKET VIS COMPACT QUICK-DISCONNECT (QD) SLING SOCKET
      Quick view Details

      A3 INDUSTRIES

      |

      sku: QD-010

      VIS COMPACT QUICK-DISCONNECT (QD) SLING SOCKET

      MSRP:
      Now: $18.95
      Add to Cart

    New Products

    • SALE
      JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER
      Quick view Details

      sku: ALK-FM-12.5

      JUST ADD A LOWER KIT - TRIAD + FM .300 BLK UPPER

      MSRP:
      Was: $1,334.24
      Now: $999.95
      Add to Cart
    • SALE
      Discounted Modular Brace Discounted Modular Brace Discounted Modular Brace Discounted Modular Brace
      Quick view Details

      A3 INDUSTRIES

      Discounted Modular Brace

      MSRP:
      Was: $199.95
      Now: $99.95
      Add to Cart
    • HDA3 HYBRID POLYMER BRACE - MAC11/9 HDA3 HYBRID POLYMER BRACE - MAC11/9 HDA3 HYBRID POLYMER BRACE - MAC11/9 HDA3 HYBRID POLYMER BRACE - MAC11/9
      Quick view Details

      HDA3

      |

      sku: HDA3-MAC-A3-B-LF

      HDA3 HYBRID POLYMER BRACE - MAC11/9

      MSRP:
      Now: $350.00
      View Details
    • HDA3 HYBRID POLYMER STOCK - MAC11/9 HDA3 HYBRID POLYMER STOCK - MAC11/9 HDA3 HYBRID POLYMER STOCK - MAC11/9 HDA3 HYBRID POLYMER STOCK - MAC11/9
      Quick view Details

      HDA3

      |

      sku: HDA3-MAC-A3-S-LF

      HDA3 HYBRID POLYMER STOCK - MAC11/9

      MSRP:
      Now: $350.00
      View Details
    • HDA3 HYBRID POLYMER STOCK - BRN-180 HDA3 HYBRID POLYMER STOCK - BRN-180 HDA3 HYBRID POLYMER STOCK - BRN-180 HDA3 HYBRID POLYMER STOCK - BRN-180
      Quick view Details

      HDA3

      |

      sku: HDA3-180-A3-S-LF

      HDA3 HYBRID POLYMER STOCK - BRN-180

      MSRP:
      Now: $350.00
      Choose Options
    • MODULAR VERTICAL FOREGRIP - MPA DEFENDER MODULAR VERTICAL FOREGRIP - MPA DEFENDER MODULAR VERTICAL FOREGRIP - MPA DEFENDER MODULAR VERTICAL FOREGRIP - MPA DEFENDER
      Quick view Details

      A3 INDUSTRIES

      |

      sku: VFG-MPA

      MODULAR VERTICAL FOREGRIP - MPA DEFENDER

      MSRP:
      Was:
      Now: $39.95 - $59.95
      Choose Options
    • HDA3 HYBRID POLYMER BRACE - BRN-180 HDA3 HYBRID POLYMER BRACE - BRN-180 HDA3 HYBRID POLYMER BRACE - BRN-180 HDA3 HYBRID POLYMER BRACE - BRN-180
      Quick view Details

      HDA3

      |

      sku: HDA3-180-A3-B-LF

      HDA3 HYBRID POLYMER BRACE - BRN-180

      MSRP:
      Now: $350.00
      Choose Options
    • VERSA STOCK | 1913 Mount Folding Stock VERSA STOCK | 1913 Mount Folding Stock VERSA STOCK | 1913 Mount Folding Stock VERSA STOCK | 1913 Mount Folding Stock
      Quick view Details

      A3 INDUSTRIES

      |

      sku: VS-100

      VERSA STOCK | 1913 Mount Folding Stock

      MSRP:
      Now: $169.95
      Choose Options
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