• Welcome to the Fostech.com website! • SHOP SALE & CLEARANCE 

Making the world safer one firearm at a time.®

  • Videos
    • Customer Service
    • Origin-12 Shotgun
    • Rifles/SBR/Braced Pistols
    • Echo Triggers
    • Drone Handguns
    • Drums
    • Accessories
    • About FosTecH
  • Photos
  • Documents
  • Dealers
    • Dealer Locator
    • Become a Dealer
    • Dealer Login
  • NFA/Military/First Responder
    • N.F.A.
    • Military & L.E.
    • First Responder Program
  • Events
  • Financing
  • Wholesale
  • About
  • Contact
Search
  • Call
FosTecH, Inc.

CALL US

(812) 445-4028

WELCOME

Sign In / Register

00
See All
  • Home
  • Rifles/SBR/Braced Pistols
    • Shop by Series
      • Stealth
      • Flite
      • Tech
    • 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
    • Builder Kits
    • Battle Builds
  • Origin Shotguns
    • Origin Shotguns
    • Origin-12 Accessories
    • Battle Builds
  • Handguns
    • All Handguns
    • Battle Builds
  • Echo Triggers
    • Echo Triggers
    • Echo Replacement Parts
      • Echo AR II Trigger
      • Echo Sport Trigger
      • Echo AK Trigger
    • Battle Builds
  • Accessories
    • Drums
    • Origin-12 Accessories
    • Drone Handguns
      • Predator Sig 320 Parts
    • AR Parts & Accessories
      • Triggers
      • Quad Rails/Handguards
      • Stocks, Grips, Braces, & Folding Adapters
      • Upper & Lower Receivers/Builder Kits
      • Upper & Lower Parts
      • Complete Upper Receivers
      • Complete Lower Receivers
      • Caliber Conversion Kits
      • AR Lightweight Components
      • All AR Parts & Accessories
    • AK Parts & Accessories
    • Sights & Optics
    • Suppressors
    • M Lock/Picatinny Mounts, Rails & Slings
    • Gun Cases, Racks, Vehicle Mounts, etc.
    • Battle Builds
  • Battle Builds
  • Ammo
  • Merch
  • ClearanceSALE
  • Gift Cards
    • Buy a Gift Card
    • Check Gift Card Balance
  • Home
  • Rifles/SBR/Braced Pistols
    • Shop by Series
      • Stealth
      • Flite
      • Tech
    • 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
    • Builder Kits
    • Battle Builds
  • Origin Shotguns
    • Origin Shotguns
    • Origin-12 Accessories
    • Battle Builds
  • Handguns
    • All Handguns
    • Battle Builds
  • Echo Triggers
    • Echo Triggers
    • Echo Replacement Parts
      • Echo AR II Trigger
      • Echo Sport Trigger
      • Echo AK Trigger
    • Battle Builds
  • Accessories
    • Drums
    • Origin-12 Accessories
    • Drone Handguns
      • Predator Sig 320 Parts
    • AR Parts & Accessories
      • Triggers
      • Quad Rails/Handguards
      • Stocks, Grips, Braces, & Folding Adapters
      • Upper & Lower Receivers/Builder Kits
      • Upper & Lower Parts
      • Complete Upper Receivers
      • Complete Lower Receivers
      • Caliber Conversion Kits
      • AR Lightweight Components
      • All AR Parts & Accessories
    • AK Parts & Accessories
    • Sights & Optics
    • Suppressors
    • M Lock/Picatinny Mounts, Rails & Slings
    • Gun Cases, Racks, Vehicle Mounts, etc.
    • Battle Builds
  • Battle Builds
  • Ammo
  • Merch
  • ClearanceSALE
  • Gift Cards
    • Buy a Gift Card
    • Check Gift Card Balance

Upper & Lower Parts

  • Home
  • Shop
  • FosTecH Firearms Accessories
  • AR Accessories
  • Upper & Lower Parts
  • Fostech AR Anti-Walk Pin Set
    AR Accessories, FosTecH Firearms Accessories, Upper & Lower Parts

    Fostech AR Anti-Walk Pin Set

    $35.99
    Add to cart
    Add to wishlist
    Quick View
  • Fostech Havoc Charging Handle
    AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Parts

    Fostech Havoc Charging Handle

    $99.99
    Add to cart
    Add to wishlist
    Quick View
  • Fostech Ultra-Light Castle Nut
    AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Parts

    Fostech Ultra-Light Castle Nut

    $19.99
    Add to cart
    Add to wishlist
    Quick View
  • AR 15 Recoil Buffer
    AR Accessories, FosTecH Firearms Accessories, Upper & Lower Parts

    AR 15 Recoil Buffer

    $45.00
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View
  • FosTecH Vector 45 Deg. Safety
    AR Accessories, FosTecH Firearms Accessories, Upper & Lower Parts

    FosTecH Vector 45 Deg. Safety

    $59.99
    Add to cart
    Add to wishlist
    Quick View
  • 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
    Add to wishlist
    Quick View

  • Fostech Tactical Gas Buster Charging Handle
    AR Accessories, FosTecH Firearms Accessories, Upper & Lower Parts

    Fostech Tactical Gas Buster Charging Handle

    $109.99
    Add to cart
    Add to wishlist
    Quick View

  • Fostech muzzle breakFostech Strake Brake
    MORE MATERIAL & THREAD TYPE
    AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Parts

    Fostech Strake Brake 1/2×28 Thread & 5/8×24 Thread

    Starting at: $89.99
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View
  • Throttle Adjustable Gas Block 1.1
    Upper & Lower Parts, FosTecH Firearms Accessories, AR Accessories

    Throttle Adjustable Gas Block

    $89.99
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View
  • Extended Trigger Pins for LITE Lowers (Set of 2)
    AR Accessories, FosTecH Firearms Accessories, Upper & Lower Parts

    Extended Trigger Pins for LITE Lowers (Set of 2)

    $10.00
    Add to cart
    Add to wishlist
    Quick View
  • Low Profile Gas Block
    AR Accessories, FosTecH Firearms Accessories, Upper & Lower Parts

    Low Profile Gas Block

    Starting at: $38.99
    Select options This product has multiple variants. The options may be chosen on the product page
    Add to wishlist
    Quick View

fostech_inc

Official Manufacturer of the Origin12 Shotgun, Echo Trigger, .50BMG Drum, ultra Lightweight Rifles, and Drone Pistol

Supporting the Second Amendment looks good and sou Supporting the Second Amendment looks good and sounds even better — 2nd That T-shirt live on the site, Origin-12 on steel by @pendletonsafes 💥
New year, new merch 🔥 Fresh hats just dropped, cle New year, new merch 🔥 Fresh hats just dropped, clean looks, all day fit, ready for 2026.
Our Origin-12 💥 Our Origin-12 💥
One of our Drone Predators just got a fresh paint One of our Drone Predators just got a fresh paint job🔥
Happy New Year from all of us at FosTecH. We’re ge Happy New Year from all of us at FosTecH. We’re genuinely grateful for every customer, every message, and every bit of support you’ve shown us this year. Here’s to a safe, healthy and successful 2026.🎉
Did you get anything from FosTecH for Christmas? 🎅 Did you get anything from FosTecH for Christmas? 🎅 DM us a pic/video 📩 we’ll repost some to our story!
Tactical & Festive 🔴🟢 Tactical & Festive 🔴🟢
That’s a little naughty….but naughty is good somet That’s a little naughty….but naughty is good sometimes🎅⛄️Merry Christmas and Happy New Year from FosTecH!!
Follow on Instagram

Making the world safer, one firearm at a time.®

Subscribe to FosTecH Insider for our latest offers!

    [mc4wp_form id=20864]

    Contact Us

    SUBSCRIBE on YOUTUBE!
    Facebook Instagram X-twitter Youtube

    CALL

    (812) 445-4028

    EMAIL

    sales@FosTecH.us

    VISIT

    320 Myers Street
    Seymour, IN 47274

    OPEN

    Monday-Friday
    8:00am-4:00pm Eastern

    Shop FosTecH

    • Shop All Products
    • Origin Shotguns
    • Handguns
    • Build Your AR

    Help & Support

    • Documents, Manuals, & Patents
    • Customer Service & Warranties
    • Video Resources
    • Dealer Locator
    • Financing with Credova

    Information

    • Become a Dealer
    • N.F.A.
    • Military & L.E.
    • First Responder Program
    • Wholesale Partners
    • Terms & Conditions
    • Privacy Policy
    • Photo Galleries
    • About Us
    • Contact FosTecH

    Featured Product

    “Extended Trigger Pins for LITE Lowers (Set of 2)” has been added to your cart.
    • POPULAR
      Echo AR II Trigger
      AR Triggers, Echo Triggers

      Echo AR II Trigger

      $479.99
      Add to cart
      Add to wishlist
      Quick View

    FosTecH, Inc. © 2026. All Rights Reserved
    Website developed by P.TEN Marketing
    has been added to your cart.
    Checkout
    • FosTecH Products
    • Other Information
    • Home
    • Rifles/SBR/Braced Pistols
      • Shop by Series
        • Stealth
        • Flite
        • Tech
      • 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
      • Builder Kits
      • Battle Builds
    • Origin Shotguns
      • Origin Shotguns
      • Origin-12 Accessories
      • Battle Builds
    • Handguns
      • All Handguns
      • Battle Builds
    • Echo Triggers
      • Echo Triggers
      • Echo Replacement Parts
        • Echo AR II Trigger
        • Echo Sport Trigger
        • Echo AK Trigger
      • Battle Builds
    • Accessories
      • Drums
      • Origin-12 Accessories
      • Drone Handguns
        • Predator Sig 320 Parts
      • AR Parts & Accessories
        • Triggers
        • Quad Rails/Handguards
        • Stocks, Grips, Braces, & Folding Adapters
        • Upper & Lower Receivers/Builder Kits
        • Upper & Lower Parts
        • Complete Upper Receivers
        • Complete Lower Receivers
        • Caliber Conversion Kits
        • AR Lightweight Components
        • All AR Parts & Accessories
      • AK Parts & Accessories
      • Sights & Optics
      • Suppressors
      • M Lock/Picatinny Mounts, Rails & Slings
      • Gun Cases, Racks, Vehicle Mounts, etc.
      • Battle Builds
    • Battle Builds
    • Ammo
    • Merch
    • ClearanceSALE
    • Gift Cards
      • Buy a Gift Card
      • Check Gift Card Balance
    • Videos
      • Customer Service
      • Origin-12 Shotgun
      • Rifles/SBR/Braced Pistols
      • Echo Triggers
      • Drone Handguns
      • Drums
      • Accessories
      • About FosTecH
    • Photos
    • Documents
    • Dealers
      • Dealer Locator
      • Become a Dealer
      • Dealer Login
    • NFA/Military/First Responder
      • N.F.A.
      • Military & L.E.
      • First Responder Program
    • Events
    • Financing
    • Wholesale
    • About
    • Contact
    Join the FosTecH Waitlist We will inform you when the product arrives in stock. Please leave your valid email address below.