FMK Firearms AR-15 Lower Receiver Flat Dark Earth .223 Rem / 5.56

$44.99

FMK Firearms AR-15 Lower Receiver

If you are looking for a starting point to building a new rifle, the FMK Firearms AR1 eXtreme stripped AR-15 lower receiver is that starting point. Made from space-age materials, the AR1 eXtreme lower is made from an impact resistant polymer blend selected specifically for the construction of firearms.

Highlights:

Superior strength – Built with proprietary composite polymer to withstand extreme conditions.
Unmatched durability – When most lower dent or break, the AR1 eXtreme returns 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. The AR1 Lower Receiver is not designed for 9mm carbine builds.
Designed to be used as an AR15 rifle. Not recommended to be built out as an AR pistol.
Unconditional lifetime warranty.
Custom engraving – “The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.”

In stock

FMK Firearms AR-15 Lower Receiver Flat Dark Earth .223 Rem / 5.56

The FMK Firearms AR1 Extreme AR-15 Stripped Lower Receiver is constructed from a state-of-the-art impact-resistant Polymer that is proven to have superior strength and unmatched durability. This polymer lower receiver is extremely lightweight and is 50% lighter than an aluminum lower, which makes it ideal for lightweight AR-15 builds.

The AR1 eXtreme is the most robust composite polymer lower on the market today. The key to any good project is the foundation; on an AR15, that is the lower receiver. The Ar1 eXtreme comes with a lifetime warranty, and of course, it’s Proudly American.

AR1 eXtreme AR-15 Lower Receiver

The AR1 Extreme is chambered in 223 Remington and is by far the strongest composite polymer lower on the market today.

Multi-Caliber & Specifically Designed For Firearms

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 and unmatched durability and is extremely lightweight, only 4.3oz.

The FMK Firearms AR1 Extreme AR-15 Stripped Lower Receiver uses polymer blended specifically for the construction of firearms. This lower can be used with any mil-spec upper chambered in everything from .22lr all the way up to the powerful .50 Beowulf.

FMK Firearms doesn’t cut corners and producing a quality product at a price you love.

Features:

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. However, it isn’t designed for 9mm carbine builds.
Unconditional lifetime warranty through FMK Firearms.
Custom engraving – “The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.”

Specifications:

Frame: High Impact Proprietary Composite Polymer
Caliber: Multi-Caliber
Size: MIL-SPEC
Weight: 4.3oz
Color: Matte Black
100% USA Made

FMK FIREARMS AR1 EXTREME – FLAT DARK EARTH FINISH

Lightweight durable multi-caliber Mil-Spec AR15 lower w/custom engraving “The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants”
Built w/high-impact proprietary composite polymer
Accepts all standard Mil-Spec uppers up to .50 Beowulf
Compatible w/most current AR15 lower parts kits grips & stocks
Wt.: 4.3 oz.
Unconditional lifetime warranty