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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower PartsFostech Havoc Charging Handle
$99.99Introducing the Fostech Havoc Ambidextrous Charging handle for the AR15. The Havoc provides improved ergonomics & functionality compared to the factory charging handle. The Ambidextrous design allows charging of the…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower PartsFostech Ultra-Light Castle Nut
$19.99Make your next build LITE by using a Fostech Ultra-Light Castle Nut. Fostech machined these AR15 Lower Parts from their proprietary lightweight material. Swapping in this Fostech 2505 Lightweight Castle…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Receivers/Builder KitsFlite Stripped Upper Receiver
$249.99The Fostech Flite stripped upper receiver mates perfectly with our Flite lower receiver or our Flite lower receiver sets. These uppers weigh in at only 4.92 ounces. Compare this to…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Receivers/Builder KitsFlite Upper and Lower Receiver Set
$482.99FosTecH Flite Series Combo Set
Forged Flite Stripped Upper
Forged Flite Stripped Lower
Magnesium / Aluminum Tactical Alloy Construction
Weight: Approx. 10.74 oz.1/3 the Weight of Aluminum Competitors
Color:…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Receivers/Builder KitsFlite Stripped Lower Receiver
$259.99FosTecH Flite Series Stripped Lower Receiver
The Fostech Flite stripped lower receiver mates perfectly with our Flite upper receiver or our Flite upper receiver sets. These lowers weigh in at only…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Parts
FosTecH Complete Bolt Carrier Group
Starting at: $159.99Fostech Full Profile AR-15 Bolt Carrier Group (BCG)
Designed for high performance and reliability, the Fostech AR-15 BCG is 100% USA-made and compatible with Echo AR-II and Echo Sport trigger systems.Weight…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Packages & Matching Sets, Upper & Lower Receivers/Builder Kits
Stealth Raptor Builders Kit w/ Mach 2 Handguard
Starting at: $659.99Fostech Stealth Build Kit
Ready for your next lightweight build? The new Fostech Stealth build kit will put you well on your way to completing a crazy light build. Each kit…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Packages & Matching Sets, Upper & Lower Receivers/Builder Kits
Stealth Raptor Builders Kit w/ Mach 1 Handguard
Starting at: $689.99Fostech Stealth Build Kit
Ready for your next lightweight build? The new Fostech Stealth build kit will put you well on your way to completing a crazy light build. Each kit…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Quad Rails/Handguards
Mach-2 Light Weight Technology Handguards
Starting at: $152.99The Mach Series Handguards by FosTecH are engineered with an advanced magnesium-aluminum alloy construction, delivering superior performance and durability. This innovative alloy results in a 33% weight reduction while providing…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Quad Rails/Handguards
Mach-1 Light Weight Technology Handguards
Starting at: $206.99The Mach Series Handguards by FosTecH are engineered with an advanced magnesium-aluminum alloy construction, delivering superior performance and durability. This innovative alloy results in a 33% weight reduction while providing…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Upper & Lower Parts
Fostech Strake Brake 1/2×28 Thread & 5/8×24 Thread
Starting at: $89.99The FosTecH Strake Brake reduces recoil and muzzle rise, improving accuracy and follow-up shots. Inspired by jet fighter aerodynamic strakes, it enhances stability and control. Available in Black Nitride, Stainless…
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AR Accessories, AR Lightweight Components, Complete Lower Receivers, Upper & Lower Receivers/Builder Kits
Flite Complete Lower Receiver
Starting at: $499.99FosTecH Flite Series Complete Lower Receiver – Ultra-Light & High-Performance
The FosTecH Flite Series Complete Lower Receiver is built for lightweight durability and precision, making it an exceptional base for any…Select options This product has multiple variants. The options may be chosen on the product pageQuick View -
AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Quad Rails/Handguards
Mach-4 Light Weight Technology Handguards
Starting at: $223.99The Mach Series Handguards by FosTecH are engineered with an advanced magnesium-aluminum alloy construction, delivering superior performance and durability. This innovative alloy results in a 33% weight reduction while providing…
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AR Accessories, AR Lightweight Components, FosTecH Firearms Accessories, Packages & Matching Sets, Upper & Lower Receivers/Builder Kits
Stealth Raptor Builders Kit w/ Mach 4 Handguard
Starting at: $659.99Fostech Stealth Build Kit
Ready for your next lightweight build? The new Fostech Stealth build kit will put you well on your way to completing a crazy light build. Each kit…
Select options This product has multiple variants. The options may be chosen on the product pageQuick View
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