
The FMK Firearms AR-1 eXtreme stripped lower receiver is an AR-15 pattern foundation built from a proprietary high impact composite polymer. Manufactured in the USA, it’s designed to deliver superior strength, durability, and very low weight for custom builds. This stripped lower accepts standard MIL-SPEC AR-15 uppers and is compatible with most current AR-15 lower parts kits, grips, and stocks, giving you a lightweight starting point with lifetime warranty coverage.
Key features
- Proprietary high impact composite polymer for strength and durability
- Extremely lightweight at 4.30 oz
- Made in the USA with a lifetime warranty
- Stripped design for use with your selected AR-15 lower parts and setup
- Accepts standard MIL-SPEC AR-15 uppers for flexible build options
- Custom engraving: "The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants."
Build your next AR-15 with a lightweight, composite-polymer lower receiver designed for rugged use.
FMK Firearms AR-1 eXtreme Stripped Lower Receiver .223: quick facts
- What caliber is the FMK Firearms AR-1 eXtreme Stripped Lower Receiver .223?
- It is chambered in .223 Remington, 5.56 NATO.
- How big and heavy is it?
- Weight 4.3 ounces.
- What kind of action does it use?
- Double Action.
- Is it new or used?
- New, in the original packaging.
- Can I buy it in Iowa?
- Yes. It ships to a licensed FFL dealer in Iowa; you pick it up there after the background check. Rifles and shotguns ship to your chosen Iowa FFL dealer for the background check and pickup.
- Is it in stock?
- Yes, at $67.84. Orders leave within 1-2 business days; shipping is free over $999.
Similar lower receivers in stock
Shop all →American Tactical
$81.64







