Lone Star State · online storeTexas Gun StoreTexas guns, shipped to your FFL
No permitNo waiting periodShips to your Texas FFLFree shipping over $999
Home / Shop / Lower Receivers
FMK Firearms AR-1 eXtreme Stripped Lower Receiver .223 Remington AR-15 Lower Receiver

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 Texas?
Yes. It ships to a licensed FFL dealer in Texas; you pick it up there after the background check. Texas buyers pick this up at a local dealer after a NICS check, with no permit and no wait. Legal for Texas deer and hogs within TPWD rules.
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 →