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. David Wolfe, President FMK Firearms, is a world leader when it comes to Injection Molding.
- Lower, stock and lower parts kit come unassembled.
- Accepts all standard MIL SPEC uppers up to .50 Beowulf.
- Unmatched Durability: When most lowers dent or break the AR1 eXtreme bounces back to shape.
- Superior Strength: Built with proprietary composite polymer to withstand extreme conditions.
- Compatible with most current AR15 lower parts kits, grips and stocks.
- Warranty: Unconditional lifetime warranty AR1 eXtreme Multi-Caliber, Mil-Spec, AR15 Lower Receiver.