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  • Flite Stripped Upper Receiver
    AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Receivers/Builder Kits

    Flite Stripped Upper Receiver

     $249.99
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  • Flite Upper and Lower Receiver Set
    AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Receivers/Builder Kits

    Flite Upper and Lower Receiver Set

     $482.99
    Add to cart
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  • Origin-12 Shotgun 5, 8, & 10 Round Stick MagazinesOrigin-12 8 Round Stick Magazine
    5, 8, 10 ROUND MAGAZINES
    FosTecH Firearms Accessories, Origin-12 Accessories

    Origin-12 Shotgun 5, 8, & 10 Round Stick Magazines

     Starting at: $49.99
    Select options This product has multiple variants. The options may be chosen on the product page
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  • Complete 9mm Conversion Kit (Upper, BCG, Charging Handle, Glock Mag, Stern Adapter)
    9mm, AR Accessories, Caliber Conversion Kits, Complete Upper Receivers, FosTecH Firearms Accessories

    Complete 9mm Conversion Kit (Upper, BCG, Charging Handle, Glock Mag, Stern Adapter)

     $879.99
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  • Placeholder
    Echo AR II Replacement Parts, Echo Replacement Parts

    Echo AR II Selector Screw Left (for Long Lever)

     $2.00
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  • Echo AR II Selector Detent Cap
    Echo AR II Replacement Parts, Echo Replacement Parts

    Echo AR II Selector Detent Cap

     $17.00
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  • Echo Sport Slave Pin
    Echo Replacement Parts, Echo Sport Replacement Parts

    Echo Sport Slave Pin

     $5.00
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  • Flite Stripped Lower Receiver
    AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Receivers/Builder Kits

    Flite Stripped Lower Receiver

     $259.99
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  • Echo AK Selector Plate Screw and Washers
    Echo AK Replacement Parts, Echo Replacement Parts

    Echo AK Selector Plate Screw and Washers

     $6.00
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  • FosTecH Vector 45 Deg. Safety
    AR Accessories, FosTecH Firearms Accessories, Upper & Lower Parts

    FosTecH Vector 45 Deg. Safety

     $59.99
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  • Echo AR II Selector Cam
    Echo AR II Replacement Parts, Echo Replacement Parts

    Echo AR II Selector Cam

     $35.00
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  • Echo AR II Selector Lever Short
    Echo AR II Replacement Parts, Echo Replacement Parts

    Echo AR II Selector Lever Short

     $17.00
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  • POPULAR
    Barrett .50 Caliber 20 Round Drum
    Drums, FosTecH Firearms Accessories

    Barrett .50 Caliber 20 Round Drum

     $1,599.99
    Select options
    Add to wishlist
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  • Echo AK Selector Ball Detent
    Echo AK Replacement Parts, Echo Replacement Parts

    Echo AK Selector Ball Detent

     $5.00
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  • Origin-12 White Die-Cut Sticker
    Merch

    Origin-12 White Die-Cut Sticker

     $3.00
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  • Placeholder
    Echo Replacement Parts, Echo Sport Replacement Parts

    Echo Sport Selector Lever Set Screw

     $2.00
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  • Echo Sport Ambidextrous Selector Lever Screw (Right)
    Echo Replacement Parts, Echo Sport Replacement Parts

    Echo Sport Ambidextrous Selector Lever Screw (Right)

     $2.00
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  • Echo Sport Selector Lever Bolt
    Echo Replacement Parts, Echo Sport Replacement Parts

    Echo Sport Selector Lever Bolt

     $3.00
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  • Echo AR II Selector Lever Long with Cam Assembly
    Echo AR II Replacement Parts, Echo Replacement Parts

    Echo AR II Selector Lever Long with Cam Assembly

     $60.00
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  • Origin-12 GEN-2 Short Barrel Shotgun
    MORE COLORS
    Military & Law Enforcement, N.F.A., Origin Shotguns

    Origin-12 GEN-2 Short Barrel Shotgun

     Starting at: $3,099.99
    Select options This product has multiple variants. The options may be chosen on the product page
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  • Origin-12 SBS Barrel Assembly
    FosTecH Firearms Accessories, Origin-12 Accessories

    Origin-12 SBS Barrel Assembly

     $1,049.99
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  • .22 LR AR-15 Fostech Tuned Conversion Combo Pack
    .22 Long Rifle, AR Accessories, Caliber Conversion Kits

    .22 LR AR-15 Fostech Tuned Conversion Combo Pack

     $270.00
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  • FosTecH Complete Bolt Carrier GroupFosTecH Complete Bolt Carrier Group (Nickel Boron)
    MORE FINISHES & WEIGHTS
    AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Parts

    FosTecH Complete Bolt Carrier Group

     Starting at: $159.99
    Select options This product has multiple variants. The options may be chosen on the product page
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  • Fostech Exclusive Microtech Knife
    Merch

    Fostech Exclusive Microtech Knife

     $399.99
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fostech_inc

Official Manufacturer of the Origin12 Shotgun, Echo Trigger, .50BMG Drum, ultra Lightweight Rifles, and Drone Pistol
Trigger Treat 🎃 We’re giving away an Echo AR Trigger Treat 🎃 We’re giving away an Echo AR II! Tap our link in bio to enter now.  — No purchase necessary. 18+ U.S. only. See rules for details.  — This giveaway isn’t sponsored, endorsed, administered by, or associated with Meta/Instagram.
Range Ready Wednesday 💥 Range Ready Wednesday 💥
One of our Echo Triggers in action 🔥 One of our Echo Triggers in action 🔥
.50 Cal drums are rolling out! The second batch is .50 Cal drums are rolling out! The second batch is already on the move 👀💥
Happy Monday - starting off the week shooting the Happy Monday - starting off the week shooting the FosTecH tech series rifle 🔥
Snaps from the 2025 NRA World Shooting Championshi Snaps from the 2025 NRA World Shooting Championship last week! Always an awesome time surrounded by great people, great shooting, and putting our Stealth Rifles to work 👊🏼💥
Make it match. Make it yours.🔥 Make it match. Make it yours.🔥
Because why buy a mount when you can engineer one? Because why buy a mount when you can engineer one? 🔥
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    Featured Product

    “FosTecH Vector 45 Deg. Safety” has been added to your cart.
    • POPULAR
      Echo AR II Trigger
      AR Triggers, Echo Triggers

      Echo AR II Trigger

       $479.99
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    • FosTecH Products
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    • Home
    • Rifles/SBR/Braced Pistols
      • Shop by Series
        • Stealth
        • Flite
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      • Shop by Caliber
        • 5.56
        • 9mm
        • .300 Blackout
        • .22 Long Rifle
        • .22 ARC
        • 6MM ARC
        • .223 Wylde
        • .458 SOCOM
      • Shop by Type/Purpose
        • Long Range Rifles
        • 16″ Barrel Rifles
        • Short Barrel Rifles
        • Braced Pistols
      • Build Your AR
      • AR Parts & Accessories
    • Origin Shotguns
      • Origin Shotguns
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    • Handguns
    • Echo Triggers
      • Echo Triggers
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        • Echo AR II Trigger
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    • Accessories
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        • Predator Sig 320 Parts
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        • Upper & Lower Receivers/Builder Kits
        • Upper & Lower Parts
        • Complete Upper Receivers
        • Complete Lower Receivers
        • Caliber Conversion Kits
        • AR Lightweight Components
        • All AR Parts & Accessories
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