FMK Firearms Firearms AR1EXTREME AR-15 Mil-Spec Stripped Lower

FMK Firearms Firearms AR1EXTREME AR-15 Mil-Spec Stripped Lower

(8 customer reviews)
100% of buyers said they were satisfied.


Multi-Caliber, Mil-Spec, AR15 Lower Receiver, manufactured in the USA of
a high impact proprietary composite polymer. This state of the art
polymer allows for superior strength, unmatched durability and is
extremely lightweight only 4.3oz. The AR1 eXtreme is by far the
strongest composite polymer lower on the market today. The key to any
good project is the foundation and on an AR15, that is the lower
receiver. The Ar1 eXtreme comes with a lifetime warranty; and of course,
it’s Proudly American.

Superior strength – Built with proprietary composite polymer to withstand extreme conditions.
Unmatched durability – When most lowers dent or break the AR1 eXtreme bounces back to shape.
Extremely lightweight – 4.3oz • Accepts all standard MIL SPEC uppers up to .50 Beowulf
Compatible with most current AR15 lower parts kits, grips and stocks.

Hassle Free Returns

No questions asked, 30 days return policy.

Fast Shipping

All orders are shipped in 1-3 business days.

Secure Checkout

SSL Enabled Secure Checkout


Metal Finish Black
Action Semi-Automatic
Caliber Multiple

Metal Finish BLK/NAVY
Action Sidelock
Caliber 458 Winchester Mag

Metal Finish Alpine White
Action Break Open
Caliber 224 Weatherby Magnum

8 reviews for FMK Firearms Firearms AR1EXTREME AR-15 Mil-Spec Stripped Lower

  1. Elias Reed (verified owner)

    So far process has been quick and easy

  2. Lawrence Sandoval (verified owner)


  3. Nicolas Abbott (verified owner)

    Great shoping at Firearmss gunshop

  4. Ken Howard (verified owner)

    Quick, easy and good price

  5. Bernadette Stokes (verified owner)

    Best prices and options around

  6. Erma Brady (verified owner)

    Found ammo to purchase, purchased the ammo

  7. Jordan Owens (verified owner)

    But your excellent customer service person on chat helped me recover quickly.

  8. Jerome Higgins (verified owner)

    Always great deals & great service. Simple and Fast.

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